Search a number
-
+
13028961619977 = 36796469671933
BaseRepresentation
bin1011110110011000101010…
…1000010001000000001001
31201010120000201220021001020
42331212022220101000021
53201431303133314402
643413231120343053
72513211546326262
oct275461250210011
951116021807036
1013028961619977
114173608196516
121565124a74a89
13736819b95c64
143308685b1969
15178da704c8bc
hexbd98aa11009

13028961619977 has 16 divisors (see below), whose sum is σ = 17631440650560. Its totient is φ = 8556231575232.

The previous prime is 13028961619943. The next prime is 13028961620041. The reversal of 13028961619977 is 77991616982031.

It is not a de Polignac number, because 13028961619977 - 212 = 13028961615881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13028961619277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19054303 + ... + 19726235.

It is an arithmetic number, because the mean of its divisors is an integer number (1101965040660).

Almost surely, 213028961619977 is an apocalyptic number.

It is an amenable number.

13028961619977 is a deficient number, since it is larger than the sum of its proper divisors (4602479030583).

13028961619977 is an equidigital number, since it uses as much as digits as its factorization.

13028961619977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768472.

The product of its (nonzero) digits is 61725888, while the sum is 69.

The spelling of 13028961619977 in words is "thirteen trillion, twenty-eight billion, nine hundred sixty-one million, six hundred nineteen thousand, nine hundred seventy-seven".

Divisors: 1 3 67 201 96469 289407 671933 2015799 6463423 19390269 45019511 135058533 64820704577 194462113731 4342987206659 13028961619977