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29313938656 = 252363112
BaseRepresentation
bin11011010011001111…
…110011010011100000
32210122221100101010201
4123103033303103200
5440013332014111
621244443234544
72055266240002
oct332317632340
983587311121
1029313938656
1111482a54a92
125821218a54
1329c21c6242
1415c129c372
15b687ab6c1
hex6d33f34e0

29313938656 has 36 divisors (see below), whose sum is σ = 60230569896. Its totient is φ = 14017488320.

The previous prime is 29313938623. The next prime is 29313938669. The reversal of 29313938656 is 65683931392.

It is a junction number, because it is equal to n+sod(n) for n = 29313938597 and 29313938606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4641741 + ... + 4648051.

It is an arithmetic number, because the mean of its divisors is an integer number (1673071386).

Almost surely, 229313938656 is an apocalyptic number.

It is an amenable number.

29313938656 is an abundant number, since it is smaller than the sum of its proper divisors (30916631240).

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

29313938656 is an frugal number, since it uses more digits than its factorization.

29313938656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12655 (or 6336 counting only the distinct ones).

The product of its digits is 6298560, while the sum is 55.

The spelling of 29313938656 in words is "twenty-nine billion, three hundred thirteen million, nine hundred thirty-eight thousand, six hundred fifty-six".

Divisors: 1 2 4 8 16 23 32 46 92 184 368 736 6311 12622 25244 50488 100976 145153 201952 290306 580612 1161224 2322448 4644896 39828721 79657442 159314884 318629768 637259536 916060583 1274519072 1832121166 3664242332 7328484664 14656969328 29313938656