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29957039537 is a prime number
BaseRepresentation
bin11011111001100101…
…000010010110110001
32212022202110021200212
4123321211002112301
5442323000231122
621432335153505
72110235430455
oct337145022661
985282407625
1029957039537
1111782a71217
125980675895
132a95502bc9
141642864665
15ba4e8ece2
hex6f99425b1

29957039537 has 2 divisors, whose sum is σ = 29957039538. Its totient is φ = 29957039536.

The previous prime is 29957039507. The next prime is 29957039543. The reversal of 29957039537 is 73593075992.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15228547216 + 14728492321 = 123404^2 + 121361^2 .

It is a cyclic number.

It is not a de Polignac number, because 29957039537 - 216 = 29956974001 is a prime.

It is not a weakly prime, because it can be changed into another prime (29957039507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14978519768 + 14978519769.

It is an arithmetic number, because the mean of its divisors is an integer number (14978519769).

Almost surely, 229957039537 is an apocalyptic number.

It is an amenable number.

29957039537 is a deficient number, since it is larger than the sum of its proper divisors (1).

29957039537 is an equidigital number, since it uses as much as digits as its factorization.

29957039537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16074450, while the sum is 59.

The spelling of 29957039537 in words is "twenty-nine billion, nine hundred fifty-seven million, thirty-nine thousand, five hundred thirty-seven".