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103254312132 = 22322868175337
BaseRepresentation
bin110000000101001101…
…1111100010011000100
3100212111222012112020200
41200022123330103010
53142431100442012
6115233454130500
710313511112656
oct1401233742304
9325458175220
10103254312132
113a876404a64
12180177b0a30
139976ab631a
144dd73466d6
152a44cb53dc
hex180a6fc4c4

103254312132 has 18 divisors (see below), whose sum is σ = 261003955758. Its totient is φ = 34418104032.

The previous prime is 103254312127. The next prime is 103254312143. The reversal of 103254312132 is 231213452301.

103254312132 is a `hidden beast` number, since 10 + 3 + 2 + 5 + 431 + 213 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 72266342976 + 30987969156 = 268824^2 + 176034^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1032543121322 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103254312096 and 103254312105.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1434087633 + ... + 1434087704.

Almost surely, 2103254312132 is an apocalyptic number.

103254312132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103254312132 is an abundant number, since it is smaller than the sum of its proper divisors (157749643626).

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

103254312132 is a wasteful number, since it uses less digits than its factorization.

103254312132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2868175347 (or 2868175342 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 103254312132 its reverse (231213452301), we get a palindrome (334467764433).

The spelling of 103254312132 in words is "one hundred three billion, two hundred fifty-four million, three hundred twelve thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 36 2868175337 5736350674 8604526011 11472701348 17209052022 25813578033 34418104044 51627156066 103254312132