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1631144260255 = 58319120578367
BaseRepresentation
bin10111101111000111110…
…001100011001010011111
312202221021020200211022211
4113233013301203022133
5203211040412312010
63245200510221251
7225563163306436
oct27570761431237
95687236624284
101631144260255
11579845458154
12224162ab4827
13baa7c3977c3
1458d3aab611d
152c66a8d808a
hex17bc7c6329f

1631144260255 has 16 divisors (see below), whose sum is σ = 1991327514624. Its totient is φ = 1282443769120.

The previous prime is 1631144260253. The next prime is 1631144260261. The reversal of 1631144260255 is 5520624411361.

It is not a de Polignac number, because 1631144260255 - 21 = 1631144260253 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 (1631144260253) 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, 10209919 + ... + 10368448.

It is an arithmetic number, because the mean of its divisors is an integer number (124457969664).

Almost surely, 21631144260255 is an apocalyptic number.

1631144260255 is a deficient number, since it is larger than the sum of its proper divisors (360183254369).

1631144260255 is a wasteful number, since it uses less digits than its factorization.

1631144260255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20578646.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 1631144260255 in words is "one trillion, six hundred thirty-one billion, one hundred forty-four million, two hundred sixty thousand, two hundred fifty-five".

Divisors: 1 5 83 191 415 955 15853 79265 20578367 102891835 1708004461 3930468097 8540022305 19652340485 326228852051 1631144260255