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6455253036961 = 29279211092
BaseRepresentation
bin101110111101111101100…
…0100000110111110100001
3211212010010200110000112101
41131323323010012332201
51321230324234140321
621421300255330401
71234243121323411
oct135737304067641
924763120400471
106455253036961
112069726062263
128830a3220a01
1337a95cb33541
14184616210641
15b2db14b1791
hex5defb106fa1

6455253036961 has 27 divisors (see below), whose sum is σ = 6777332970681. Its totient is φ = 6148214767968.

The previous prime is 6455253036901. The next prime is 6455253037031. The reversal of 6455253036961 is 1696303525546.

The square root of 6455253036961 is 2540719.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2262259654561 + 4192993382400 = 1504081^2 + 2047680^2 .

It is not a de Polignac number, because 6455253036961 - 217 = 6455252905889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6455253036901) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5820786675 + ... + 5820787783.

Almost surely, 26455253036961 is an apocalyptic number.

6455253036961 is the 2540719-th square number.

6455253036961 is the 1270360-th centered octagonal number.

It is an amenable number.

6455253036961 is a deficient number, since it is larger than the sum of its proper divisors (322079933720).

6455253036961 is an frugal number, since it uses more digits than its factorization.

6455253036961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2434 (or 1217 counting only the distinct ones).

The product of its (nonzero) digits is 17496000, while the sum is 55.

The spelling of 6455253036961 in words is "six trillion, four hundred fifty-five billion, two hundred fifty-three million, thirty-six thousand, nine hundred sixty-one".

Divisors: 1 29 79 841 1109 2291 6241 32161 66439 87611 180989 932669 1229881 2540719 5248681 6921269 35666549 73680851 97160599 200716801 1034329921 2817657371 5820787229 7675687321 81712063759 222594932309 6455253036961