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10231230132 = 22321282922153
BaseRepresentation
bin10011000011101010…
…00010111010110100
3222102000212100020100
421201311002322310
5131423143331012
64411122434100
7511353010164
oct114165027264
928360770210
1010231230132
1143802986a2
121b96502930
13c7088a636
146d0b545a4
153ed3358dc
hex261d42eb4

10231230132 has 36 divisors (see below), whose sum is σ = 25865459620. Its totient is φ = 3409990272.

The previous prime is 10231230091. The next prime is 10231230161. The reversal of 10231230132 is 23103213201.

It can be written as a sum of positive squares in 2 ways, for example, as 3883283856 + 6347946276 = 62316^2 + 79674^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 450768 + ... + 472920.

Almost surely, 210231230132 is an apocalyptic number.

10231230132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10231230132 is an abundant number, since it is smaller than the sum of its proper divisors (15634229488).

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

10231230132 is a wasteful number, since it uses less digits than its factorization.

10231230132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34992 (or 34987 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 10231230132 its reverse (23103213201), we get a palindrome (33334443333).

The spelling of 10231230132 in words is "ten billion, two hundred thirty-one million, two hundred thirty thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 36 12829 22153 25658 38487 44306 51316 66459 76974 88612 115461 132918 153948 199377 230922 265836 398754 461844 797508 284200837 568401674 852602511 1136803348 1705205022 2557807533 3410410044 5115615066 10231230132