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30403621432 = 2323165237073
BaseRepresentation
bin11100010100001100…
…100111001000111000
32220110212202222220001
4130110030213020320
5444231311341212
621544531042344
72124300342502
oct342414471070
986425688801
1030403621432
1111992062868
125a861403b4
132b36ba3b52
141685cb2d72
15bce2a5657
hex714327238

30403621432 has 16 divisors (see below), whose sum is σ = 59485346640. Its totient is φ = 14540862336.

The previous prime is 30403621427. The next prime is 30403621441. The reversal of 30403621432 is 23412630403.

It is a self number, because there is not a number n which added to its sum of digits gives 30403621432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82618353 + ... + 82618720.

It is an arithmetic number, because the mean of its divisors is an integer number (3717834165).

Almost surely, 230403621432 is an apocalyptic number.

It is an amenable number.

30403621432 is a deficient number, since it is larger than the sum of its proper divisors (29081725208).

30403621432 is a wasteful number, since it uses less digits than its factorization.

30403621432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165237102 (or 165237098 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

The spelling of 30403621432 in words is "thirty billion, four hundred three million, six hundred twenty-one thousand, four hundred thirty-two".

Divisors: 1 2 4 8 23 46 92 184 165237073 330474146 660948292 1321896584 3800452679 7600905358 15201810716 30403621432