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12602052331 = 11471091131979
BaseRepresentation
bin10111011110010010…
…00000111011101011
31012112020222120212221
423233021000323223
5201302111133311
65442253414511
7624201451231
oct135711007353
935466876787
1012602052331
115387591490
12253849a437
13125aacb5cb
1487797a951
154db546671
hex2ef240eeb

12602052331 has 32 divisors (see below), whose sum is σ = 14301619200. Its totient is φ = 11005908480.

The previous prime is 12602052317. The next prime is 12602052343. The reversal of 12602052331 is 13325020621.

It is a cyclic number.

It is not a de Polignac number, because 12602052331 - 225 = 12568497899 is a prime.

It is a super-2 number, since 2×126020523312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12602052296 and 12602052305.

It is not an unprimeable number, because it can be changed into a prime (12602052731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6366900 + ... + 6368878.

It is an arithmetic number, because the mean of its divisors is an integer number (446925600).

Almost surely, 212602052331 is an apocalyptic number.

12602052331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12602052331 is a deficient number, since it is larger than the sum of its proper divisors (1699566869).

12602052331 is a wasteful number, since it uses less digits than its factorization.

12602052331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2259.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 12602052331 its reverse (13325020621), we get a palindrome (25927072952).

The spelling of 12602052331 in words is "twelve billion, six hundred two million, fifty-two thousand, three hundred thirty-one".

Divisors: 1 11 47 109 113 517 1199 1243 1979 5123 5311 12317 21769 56353 58421 93013 135487 215711 223627 578899 1023143 2372821 2459897 6367889 10138417 10510469 24375343 111522587 115615159 268128773 1145641121 12602052331