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29715907023 = 3311531887803
BaseRepresentation
bin11011101011001101…
…001100000111001111
32211200221201111002000
4123223031030013033
5441324233011043
621352403003343
72101250020305
oct335315140717
984627644060
1029715907023
1111669944850
125913969553
132a5757674a
14161c816275
15b8dc0d2d3
hex6eb34c1cf

29715907023 has 32 divisors (see below), whose sum is σ = 48931879680. Its totient is φ = 17669826720.

The previous prime is 29715907009. The next prime is 29715907043. The reversal of 29715907023 is 32070951792.

It is not a de Polignac number, because 29715907023 - 212 = 29715902927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29715907023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29715907043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 928161 + ... + 959642.

It is an arithmetic number, because the mean of its divisors is an integer number (1529121240).

Almost surely, 229715907023 is an apocalyptic number.

29715907023 is a deficient number, since it is larger than the sum of its proper divisors (19215972657).

29715907023 is a wasteful number, since it uses less digits than its factorization.

29715907023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1887876 (or 1887870 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The spelling of 29715907023 in words is "twenty-nine billion, seven hundred fifteen million, nine hundred seven thousand, twenty-three".

Divisors: 1 3 9 11 27 33 53 99 159 297 477 583 1431 1749 5247 15741 1887803 5663409 16990227 20765833 50970681 62297499 100053559 186892497 300160677 560677491 900482031 1100589149 2701446093 3301767447 9905302341 29715907023