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39830434232 = 234978804279
BaseRepresentation
bin100101000110000101…
…000011000110111000
310210210211222200222212
4211012011003012320
51123033042343412
630144200234252
72610015050651
oct450605030670
9123724880885
1039830434232
111598a272846
12787716b988
1339a9bc2aa4
141cdbc6c528
151081b90222
hex9461431b8

39830434232 has 8 divisors (see below), whose sum is σ = 74682064200. Its totient is φ = 19915217112.

The previous prime is 39830434219. The next prime is 39830434249. The reversal of 39830434232 is 23243403893.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×398304342322 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 39830434232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2489402132 + ... + 2489402147.

It is an arithmetic number, because the mean of its divisors is an integer number (9335258025).

Almost surely, 239830434232 is an apocalyptic number.

It is an amenable number.

39830434232 is a deficient number, since it is larger than the sum of its proper divisors (34851629968).

39830434232 is a wasteful number, since it uses less digits than its factorization.

39830434232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4978804285 (or 4978804281 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 41.

The spelling of 39830434232 in words is "thirty-nine billion, eight hundred thirty million, four hundred thirty-four thousand, two hundred thirty-two".

Divisors: 1 2 4 8 4978804279 9957608558 19915217116 39830434232