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2125757752351 = 31257907294179
BaseRepresentation
bin11110111011110001000…
…010010010010000011111
321112012221201020120211121
4132323301002102100133
5234312022441033401
64304320514031411
7306403154522332
oct36736102222037
97465851216747
102125757752351
1174a58a918522
122a3b9bb78567
131255c558a59c
1474c5c786619
153a4686b8ca1
hex1eef109241f

2125757752351 has 16 divisors (see below), whose sum is σ = 2205305072640. Its totient is φ = 2046914058240.

The previous prime is 2125757752319. The next prime is 2125757752387. The reversal of 2125757752351 is 1532577575212.

It is a cyclic number.

It is not a de Polignac number, because 2125757752351 - 25 = 2125757752319 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 (2125757750351) 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, 7078980 + ... + 7373158.

It is an arithmetic number, because the mean of its divisors is an integer number (137831567040).

Almost surely, 22125757752351 is an apocalyptic number.

2125757752351 is a deficient number, since it is larger than the sum of its proper divisors (79547320289).

2125757752351 is a wasteful number, since it uses less digits than its factorization.

2125757752351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295374.

The product of its digits is 5145000, while the sum is 52.

The spelling of 2125757752351 in words is "two trillion, one hundred twenty-five billion, seven hundred fifty-seven million, seven hundred fifty-two thousand, three hundred fifty-one".

Divisors: 1 31 257 907 7967 28117 233099 294179 7226069 9119549 75604003 266820353 2343724093 8271430943 68572830721 2125757752351