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5102131251 = 3710110872213
BaseRepresentation
bin1001100000001110…
…00101100000110011
3111011120120010022010
410300013011200303
540422121200001
62202140214003
7240302254140
oct46007054063
914146503263
105102131251
1121890247a8
12ba483a303
1363406a499
143658893c7
151ecdcc8d6
hex1301c5833

5102131251 has 32 divisors (see below), whose sum is σ = 7862427648. Its totient is φ = 2882678400.

The previous prime is 5102131217. The next prime is 5102131261. The reversal of 5102131251 is 1521312015.

It is not a de Polignac number, because 5102131251 - 215 = 5102098483 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (5102131261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2304421 + ... + 2306633.

It is an arithmetic number, because the mean of its divisors is an integer number (245700864).

Almost surely, 25102131251 is an apocalyptic number.

5102131251 is a deficient number, since it is larger than the sum of its proper divisors (2760296397).

5102131251 is a wasteful number, since it uses less digits than its factorization.

5102131251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3411.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 5102131251 is about 71429.2044684805. The cubic root of 5102131251 is about 1721.5403601232.

Adding to 5102131251 its reverse (1521312015), we get a palindrome (6623443266).

The spelling of 5102131251 in words is "five billion, one hundred two million, one hundred thirty-one thousand, two hundred fifty-one".

Divisors: 1 3 7 21 101 303 707 1087 2121 2213 3261 6639 7609 15491 22827 46473 109787 223513 329361 670539 768509 1564591 2305527 2405531 4693773 7216593 16838717 50516151 242958631 728875893 1700710417 5102131251