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136850791 = 7112696607
BaseRepresentation
bin10000010100000…
…10110101100111
3100112111201222211
420022002311213
5240013211131
621325104251
73251132620
oct1012026547
9315451884
10136850791
1170281030
12399b8087
1322476acc
1414264a47
15c0335b1
hex8282d67

136850791 has 16 divisors (see below), whose sum is σ = 171279360. Its totient is φ = 106224480.

The previous prime is 136850789. The next prime is 136850803. The reversal of 136850791 is 197058631.

It is a cyclic number.

It is not a de Polignac number, because 136850791 - 21 = 136850789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136850741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17410 + ... + 24016.

It is an arithmetic number, because the mean of its divisors is an integer number (10704960).

Almost surely, 2136850791 is an apocalyptic number.

136850791 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

136850791 is a deficient number, since it is larger than the sum of its proper divisors (34428569).

136850791 is a wasteful number, since it uses less digits than its factorization.

136850791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6894.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 136850791 is about 11698.3242817080. The cubic root of 136850791 is about 515.3264540310.

It can be divided in two parts, 136850 and 791, that added together give a square (137641 = 3712).

The spelling of 136850791 in words is "one hundred thirty-six million, eight hundred fifty thousand, seven hundred ninety-one".

Divisors: 1 7 11 77 269 1883 2959 6607 20713 46249 72677 508739 1777283 12440981 19550113 136850791