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20125530604312 = 2373766531459957
BaseRepresentation
bin1001001001101110101110…
…00110100100001100011000
32122020222111211102220222221
410210313113012210030120
510114214041313314222
6110445312514353424
74145010260402050
oct444672706441430
978228454386887
1020125530604312
11645a20a39a021
12231056758b874
13b2caa2238b23
144d811bd06560
1524d7a06540c7
hex124dd71a4318

20125530604312 has 64 divisors (see below), whose sum is σ = 44298396025920. Its totient is φ = 8390845997568.

The previous prime is 20125530604241. The next prime is 20125530604337. The reversal of 20125530604312 is 21340603552102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13055038 + ... + 14514994.

It is an arithmetic number, because the mean of its divisors is an integer number (692162437905).

Almost surely, 220125530604312 is an apocalyptic number.

It is an amenable number.

20125530604312 is an abundant number, since it is smaller than the sum of its proper divisors (24172865421608).

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

20125530604312 is a wasteful number, since it uses less digits than its factorization.

20125530604312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1466660 (or 1466656 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 20125530604312 in words is "twenty trillion, one hundred twenty-five billion, five hundred thirty million, six hundred four thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 28 37 56 74 148 259 296 518 1036 2072 6653 13306 26612 46571 53224 93142 186284 246161 372568 492322 984644 1459957 1723127 1969288 2919914 3446254 5839828 6892508 10219699 11679656 13785016 20439398 40878796 54018409 81757592 108036818 216073636 378128863 432147272 756257726 1512515452 3025030904 9713093921 19426187842 38852375684 67991657447 77704751368 135983314894 271966629788 359384475077 543933259576 718768950154 1437537900308 2515691325539 2875075800616 5031382651078 10062765302156 20125530604312