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137253257231 = 2919124779429
BaseRepresentation
bin111111111010011101…
…1101000000000001111
3111010021102012220000112
41333310323220000033
54222043313212411
6143015301350235
712626156302616
oct1776473500017
9433242186015
10137253257231
11532329816a2
1222725a0837b
13cc347c090c
14690090c87d
153884a06b8b
hex1ff4ee800f

137253257231 has 8 divisors (see below), whose sum is σ = 142729516800. Its totient is φ = 131826556960.

The previous prime is 137253257209. The next prime is 137253257269. The reversal of 137253257231 is 132752352731.

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

It is a cyclic number.

It is not a de Polignac number, because 137253257231 - 226 = 137186148367 is a prime.

It is a super-2 number, since 2×1372532572312 (a number of 23 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 (137253257131) 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, 12384176 + ... + 12395253.

It is an arithmetic number, because the mean of its divisors is an integer number (17841189600).

Almost surely, 2137253257231 is an apocalyptic number.

137253257231 is a deficient number, since it is larger than the sum of its proper divisors (5476259569).

137253257231 is a wasteful number, since it uses less digits than its factorization.

137253257231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24779649.

The product of its digits is 264600, while the sum is 41.

The spelling of 137253257231 in words is "one hundred thirty-seven billion, two hundred fifty-three million, two hundred fifty-seven thousand, two hundred thirty-one".

Divisors: 1 29 191 5539 24779429 718603441 4732870939 137253257231