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29106858187 = 112283850009
BaseRepresentation
bin11011000110111001…
…110110100011001011
32210010111200121010201
4123012321312203023
5434102323430222
621212124553031
72050203132601
oct330671664313
983114617121
1029106858187
1111387076400
1257839b2777
13298b330214
1415a1995871
15b55504427
hex6c6e768cb

29106858187 has 12 divisors (see below), whose sum is σ = 32106577720. Its totient is φ = 26367248160.

The previous prime is 29106858169. The next prime is 29106858199. The reversal of 29106858187 is 78185860192.

It is not a de Polignac number, because 29106858187 - 211 = 29106856139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29106858107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 390762 + ... + 459247.

Almost surely, 229106858187 is an apocalyptic number.

29106858187 is a deficient number, since it is larger than the sum of its proper divisors (2999719533).

29106858187 is a wasteful number, since it uses less digits than its factorization.

29106858187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850314 (or 850303 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 55.

The spelling of 29106858187 in words is "twenty-nine billion, one hundred six million, eight hundred fifty-eight thousand, one hundred eighty-seven".

Divisors: 1 11 121 283 3113 34243 850009 9350099 102851089 240552547 2646078017 29106858187