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20131034232 = 2337571108049
BaseRepresentation
bin10010101111111001…
…110011010001111000
31220221222002111102110
4102233321303101320
5312212021043412
613125325532320
71311602652621
oct225771632170
956858074373
1020131034232
1185a0497a81
123a99a140a0
131b8a89609a
14d8d874a48
157cc500d3c
hex4afe73478

20131034232 has 32 divisors (see below), whose sum is σ = 50394114000. Its totient is φ = 6701474304.

The previous prime is 20131034213. The next prime is 20131034243. The reversal of 20131034232 is 23243013102.

It is a junction number, because it is equal to n+sod(n) for n = 20131034199 and 20131034208.

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, 535857 + ... + 572192.

Almost surely, 220131034232 is an apocalyptic number.

It is an amenable number.

20131034232 is an abundant number, since it is smaller than the sum of its proper divisors (30263079768).

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

20131034232 is a wasteful number, since it uses less digits than its factorization.

20131034232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108815 (or 1108811 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20131034232 its reverse (23243013102), we get a palindrome (43374047334).

The spelling of 20131034232 in words is "twenty billion, one hundred thirty-one million, thirty-four thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 757 1514 2271 3028 4542 6056 9084 18168 1108049 2216098 3324147 4432196 6648294 8864392 13296588 26593176 838793093 1677586186 2516379279 3355172372 5032758558 6710344744 10065517116 20131034232