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13055506761 = 3116117337489
BaseRepresentation
bin11000010100010101…
…10011100101001001
31020200212020110102110
430022022303211021
5203214202204021
65555252452533
7641345655633
oct141212634511
936625213373
1013055506761
11559a547510
12264431a149
131300a3773b
148bbc97a53
15516268476
hex30a2b3949

13055506761 has 32 divisors (see below), whose sum is σ = 19413221760. Its totient is φ = 7737523200.

The previous prime is 13055506753. The next prime is 13055506771. The reversal of 13055506761 is 16760555031.

It is not a de Polignac number, because 13055506761 - 23 = 13055506753 is a prime.

It is a super-2 number, since 2×130555067612 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13055506771) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 329505 + ... + 366993.

It is an arithmetic number, because the mean of its divisors is an integer number (606663180).

Almost surely, 213055506761 is an apocalyptic number.

13055506761 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13055506761 is a deficient number, since it is larger than the sum of its proper divisors (6357714999).

13055506761 is a wasteful number, since it uses less digits than its factorization.

13055506761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37737.

The product of its (nonzero) digits is 94500, while the sum is 39.

The spelling of 13055506761 in words is "thirteen billion, fifty-five million, five hundred six thousand, seven hundred sixty-one".

Divisors: 1 3 11 33 61 173 183 519 671 1903 2013 5709 10553 31659 37489 112467 116083 348249 412379 1237137 2286829 6485597 6860487 19456791 25155119 71341567 75465357 214024701 395621417 1186864251 4351835587 13055506761