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29275992919 = 109268587091
BaseRepresentation
bin11011010000111111…
…000011001101010111
32210120021221112101001
4123100333003031113
5434424123233134
621241010044131
72054325556015
oct332077031527
983507845331
1029275992919
1111463597878
125810579647
1329b739b744
1415ba2218b5
15b652b3414
hex6d0fc3357

29275992919 has 4 divisors (see below), whose sum is σ = 29544580120. Its totient is φ = 29007405720.

The previous prime is 29275992901. The next prime is 29275992953. The reversal of 29275992919 is 91929957292.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 29275992919 - 29 = 29275992407 is a prime.

It is a super-2 number, since 2×292759929192 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29275992719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134293437 + ... + 134293654.

It is an arithmetic number, because the mean of its divisors is an integer number (7386145030).

Almost surely, 229275992919 is an apocalyptic number.

29275992919 is a deficient number, since it is larger than the sum of its proper divisors (268587201).

29275992919 is a wasteful number, since it uses less digits than its factorization.

29275992919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268587200.

The product of its digits is 16533720, while the sum is 64.

The spelling of 29275992919 in words is "twenty-nine billion, two hundred seventy-five million, nine hundred ninety-two thousand, nine hundred nineteen".

Divisors: 1 109 268587091 29275992919