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101312132120 = 23519133305437
BaseRepresentation
bin101111001011010101…
…1000111010000011000
3100200111121122120010122
41132112223013100120
53124441401211440
6114313034332412
710214415625403
oct1362653072030
9320447576118
10101312132120
1139a6a06a411
121777528a108
139727604894
144c9141cd3a
15297e5247b5
hex1796ac7418

101312132120 has 32 divisors (see below), whose sum is σ = 239949788400. Its totient is φ = 38391965568.

The previous prime is 101312132059. The next prime is 101312132137. The reversal of 101312132120 is 21231213101.

It is a super-2 number, since 2×1013121321202 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66651959 + ... + 66653478.

Almost surely, 2101312132120 is an apocalyptic number.

101312132120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101312132120 is an abundant number, since it is smaller than the sum of its proper divisors (138637656280).

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

101312132120 is a wasteful number, since it uses less digits than its factorization.

101312132120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133305467 (or 133305463 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 101312132120 its reverse (21231213101), we get a palindrome (122543345221).

The spelling of 101312132120 in words is "one hundred one billion, three hundred twelve million, one hundred thirty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 95 152 190 380 760 133305437 266610874 533221748 666527185 1066443496 1333054370 2532803303 2666108740 5065606606 5332217480 10131213212 12664016515 20262426424 25328033030 50656066060 101312132120