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29934390164 = 2273728894199
BaseRepresentation
bin11011111000001110…
…101000101110010100
32212021011211120121012
4123320032220232110
5442301200441124
621430205511352
72106542055350
oct337016505624
985234746535
1029934390164
1111771201428
125974b72558
132a90902903
14163d84a460
15ba2eb8e0e
hex6f83a8b94

29934390164 has 24 divisors (see below), whose sum is σ = 61486857600. Its totient is φ = 12482293536.

The previous prime is 29934390163. The next prime is 29934390191. The reversal of 29934390164 is 46109343992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29934390163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14446064 + ... + 14448135.

It is an arithmetic number, because the mean of its divisors is an integer number (2561952400).

Almost surely, 229934390164 is an apocalyptic number.

It is an amenable number.

29934390164 is an abundant number, since it is smaller than the sum of its proper divisors (31552467436).

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

29934390164 is a wasteful number, since it uses less digits than its factorization.

29934390164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28894247 (or 28894245 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 50.

The spelling of 29934390164 in words is "twenty-nine billion, nine hundred thirty-four million, three hundred ninety thousand, one hundred sixty-four".

Divisors: 1 2 4 7 14 28 37 74 148 259 518 1036 28894199 57788398 115576796 202259393 404518786 809037572 1069085363 2138170726 4276341452 7483597541 14967195082 29934390164