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29915955924 = 2231926905807
BaseRepresentation
bin11011110111001000…
…010100001011010100
32212012220011000120120
4123313020110023110
5442231441042144
621424310431540
72106226300251
oct336710241324
985186130516
1029915955924
1111761860518
12596a9625b0
132a89b4a08a
14163b20c428
15ba1576e19
hex6f72142d4

29915955924 has 36 divisors (see below), whose sum is σ = 73671159744. Its totient is φ = 9447142608.

The previous prime is 29915955847. The next prime is 29915955931. The reversal of 29915955924 is 42955951992.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3448572 + ... + 3457235.

It is an arithmetic number, because the mean of its divisors is an integer number (2046421104).

Almost surely, 229915955924 is an apocalyptic number.

It is an amenable number.

29915955924 is an abundant number, since it is smaller than the sum of its proper divisors (43755203820).

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

29915955924 is a wasteful number, since it uses less digits than its factorization.

29915955924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6905852 (or 6905831 counting only the distinct ones).

The product of its digits is 13122000, while the sum is 60.

The spelling of 29915955924 in words is "twenty-nine billion, nine hundred fifteen million, nine hundred fifty-five thousand, nine hundred twenty-four".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 361 722 1083 1444 2166 4332 6905807 13811614 20717421 27623228 41434842 82869684 131210333 262420666 393630999 524841332 787261998 1574523996 2492996327 4985992654 7478988981 9971985308 14957977962 29915955924