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10235220512500 = 225523127280321
BaseRepresentation
bin1001010011110001001010…
…1011101100111011110100
31100020110220010010100112201
42110330102223230323310
52320143212422400000
633433555000554244
72104320206614234
oct224742253547364
940213803110481
1010235220512500
113296807169595
1211937a2782984
1359323c288129
1427555cb1bcc4
1512b3954a496a
hex94f12aecef4

10235220512500 has 144 divisors (see below), whose sum is σ = 23545540988928. Its totient is φ = 3885235200000.

The previous prime is 10235220512497. The next prime is 10235220512521. The reversal of 10235220512500 is 521502253201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36372340 + ... + 36652660.

It is an arithmetic number, because the mean of its divisors is an integer number (163510701312).

Almost surely, 210235220512500 is an apocalyptic number.

10235220512500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10235220512500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11772770494464).

10235220512500 is an abundant number, since it is smaller than the sum of its proper divisors (13310320476428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10235220512500 is a wasteful number, since it uses less digits than its factorization.

10235220512500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280500 (or 280478 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 10235220512500 its reverse (521502253201), we get a palindrome (10756722765701).

The spelling of 10235220512500 in words is "ten trillion, two hundred thirty-five billion, two hundred twenty million, five hundred twelve thousand, five hundred".

Divisors: 1 2 4 5 10 20 23 25 46 50 92 100 115 125 127 230 250 254 460 500 508 575 625 635 1150 1250 1270 2300 2500 2540 2875 2921 3125 3175 5750 5842 6250 6350 11500 11684 12500 12700 14375 14605 15875 28750 29210 31750 57500 58420 63500 71875 73025 79375 143750 146050 158750 280321 287500 292100 317500 365125 396875 560642 730250 793750 1121284 1401605 1460500 1587500 1825625 2803210 3651250 5606420 6447383 7008025 7302500 9128125 12894766 14016050 18256250 25789532 28032100 32236915 35040125 35600767 36512500 64473830 70080250 71201534 128947660 140160500 142403068 161184575 175200625 178003835 322369150 350401250 356007670 644738300 700802500 712015340 805922875 818817641 876003125 890019175 1611845750 1637635282 1752006250 1780038350 3223691500 3275270564 3504012500 3560076700 4029614375 4094088205 4450095875 8059228750 8188176410 8900191750 16118457500 16376352820 17800383500 20148071875 20470441025 22250479375 40296143750 40940882050 44500958750 80592287500 81881764100 89001917500 102352205125 111252396875 204704410250 222504793750 409408820500 445009587500 511761025625 1023522051250 2047044102500 2558805128125 5117610256250 10235220512500