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29157375872 = 273117941051
BaseRepresentation
bin11011001001111010…
…100011111110000000
32210021000202011101002
4123021322203332000
5434203242011442
621221131431132
72051355414512
oct331172437600
983230664332
1029157375872
1111402640059
1257988b54a8
13299893a141
1415a8585bb2
15b59b82732
hex6c9ea3f80

29157375872 has 64 divisors (see below), whose sum is σ = 60297177600. Its totient is φ = 14029248000.

The previous prime is 29157375847. The next prime is 29157375893. The reversal of 29157375872 is 27857375192.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 689747 + ... + 730797.

It is an arithmetic number, because the mean of its divisors is an integer number (942143400).

Almost surely, 229157375872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29157375872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30148588800).

29157375872 is an abundant number, since it is smaller than the sum of its proper divisors (31139801728).

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

29157375872 is a wasteful number, since it uses less digits than its factorization.

29157375872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41275 (or 41263 counting only the distinct ones).

The product of its digits is 7408800, while the sum is 56.

The spelling of 29157375872 in words is "twenty-nine billion, one hundred fifty-seven million, three hundred seventy-five thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 16 31 32 62 64 124 128 179 248 358 496 716 992 1432 1984 2864 3968 5549 5728 11098 11456 22196 22912 41051 44392 82102 88784 164204 177568 328408 355136 656816 710272 1272581 1313632 2545162 2627264 5090324 5254528 7348129 10180648 14696258 20361296 29392516 40722592 58785032 81445184 117570064 162890368 227791999 235140128 455583998 470280256 911167996 940560512 1822335992 3644671984 7289343968 14578687936 29157375872