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29311361038938 = 23112422318334291
BaseRepresentation
bin1101010101000100101010…
…10000110011101001011010
310211210010202010222221022010
412222202111100303221122
512320214131411221223
6142201241532210350
76113450564660166
oct652422520635132
9124703663887263
1029311361038938
119380973185140
1233548a36099b6
131348084949574
1473496ac97ca6
1535c6c832a393
hex1aa895433a5a

29311361038938 has 32 divisors (see below), whose sum is σ = 63954704074752. Its totient is φ = 8881863447600.

The previous prime is 29311361038807. The next prime is 29311361038969. The reversal of 29311361038938 is 83983016311392.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7568428 + ... + 10765863.

It is an arithmetic number, because the mean of its divisors is an integer number (1998584502336).

Almost surely, 229311361038938 is an apocalyptic number.

29311361038938 is an abundant number, since it is smaller than the sum of its proper divisors (34643343035814).

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

29311361038938 is a wasteful number, since it uses less digits than its factorization.

29311361038938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18358530.

The product of its (nonzero) digits is 5038848, while the sum is 57.

The spelling of 29311361038938 in words is "twenty-nine trillion, three hundred eleven billion, three hundred sixty-one million, thirty-eight thousand, nine hundred thirty-eight".

Divisors: 1 2 3 6 11 22 33 66 24223 48446 72669 145338 266453 532906 799359 1598718 18334291 36668582 55002873 110005746 201677201 403354402 605031603 1210063206 444111530893 888223061786 1332334592679 2664669185358 4885226839823 9770453679646 14655680519469 29311361038938