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2255591137 = 191071109489
BaseRepresentation
bin1000011001110001…
…1001011011100001
312211012021220100111
42012130121123201
514104412404022
61011453051321
7106616131312
oct20634313341
95735256314
102255591137
11a5824a008
1252b486b41
1329c3c6917
141757cc609
15d304d477
hex867196e1

2255591137 has 8 divisors (see below), whose sum is σ = 2396498400. Its totient is φ = 2116903104.

The previous prime is 2255591123. The next prime is 2255591141. The reversal of 2255591137 is 7311955522.

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 2255591137 - 227 = 2121373409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2255591137.

It is not an unprimeable number, because it can be changed into a prime (2255591167) 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, 552712 + ... + 556777.

It is an arithmetic number, because the mean of its divisors is an integer number (299562300).

Almost surely, 22255591137 is an apocalyptic number.

It is an amenable number.

2255591137 is a deficient number, since it is larger than the sum of its proper divisors (140907263).

2255591137 is a wasteful number, since it uses less digits than its factorization.

2255591137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109615.

The product of its digits is 94500, while the sum is 40.

The square root of 2255591137 is about 47493.0640936127. The cubic root of 2255591137 is about 1311.4552010781.

The spelling of 2255591137 in words is "two billion, two hundred fifty-five million, five hundred ninety-one thousand, one hundred thirty-seven".

Divisors: 1 19 107 2033 1109489 21080291 118715323 2255591137