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137018311 = 795213329
BaseRepresentation
bin10000010101010…
…11101111000111
3100112211020210021
420022223233013
5240034041221
621332440011
73252431203
oct1012535707
9315736707
10137018311
1170385981
1239a79007
1322505131
14142a9b03
15c068041
hex82abbc7

137018311 has 8 divisors (see below), whose sum is σ = 139060800. Its totient is φ = 134983680.

The previous prime is 137018293. The next prime is 137018333. The reversal of 137018311 is 113810731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 12-Lehmer number, since φ(137018311) divides (137018311-1)12.

It is a cyclic number.

It is not a de Polignac number, because 137018311 - 27 = 137018183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137018111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39495 + ... + 42823.

It is an arithmetic number, because the mean of its divisors is an integer number (17382600).

Almost surely, 2137018311 is an apocalyptic number.

137018311 is a deficient number, since it is larger than the sum of its proper divisors (2042489).

137018311 is an equidigital number, since it uses as much as digits as its factorization.

137018311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3929.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 137018311 is about 11705.4820917380. The cubic root of 137018311 is about 515.5366398501.

The spelling of 137018311 in words is "one hundred thirty-seven million, eighteen thousand, three hundred eleven".

Divisors: 1 79 521 3329 41159 262991 1734409 137018311