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65270916211940 = 2255361576336049
BaseRepresentation
bin11101101011101000100011…
…10001100110010011100100
322120002211122101011011020222
432311310101301212103210
532023344314022240230
6350453013413343512
716514445102464225
oct1665642161462344
9276084571134228
1065270916211940
111988527065748a
1273a1b35937b98
132a5603715aaba
1412191b475324c
15782ca64d96e5
hex3b5d11c664e4

65270916211940 has 24 divisors (see below), whose sum is σ = 139655130161400. Its totient is φ = 25615755795968.

The previous prime is 65270916211913. The next prime is 65270916211979. The reversal of 65270916211940 is 4911261907256.

65270916211940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 323660863744 + 64947255348196 = 568912^2 + 8058986^2 .

It is a Harshad number since it is a multiple of its sum of digits (53).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30788166965 + ... + 30788169084.

It is an arithmetic number, because the mean of its divisors is an integer number (5818963756725).

Almost surely, 265270916211940 is an apocalyptic number.

It is an amenable number.

65270916211940 is an abundant number, since it is smaller than the sum of its proper divisors (74384213949460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65270916211940 is a wasteful number, since it uses less digits than its factorization.

65270916211940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61576336111 (or 61576336109 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 53.

The spelling of 65270916211940 in words is "sixty-five trillion, two hundred seventy billion, nine hundred sixteen million, two hundred eleven thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 53 106 212 265 530 1060 61576336049 123152672098 246305344196 307881680245 615763360490 1231526720980 3263545810597 6527091621194 13054183242388 16317729052985 32635458105970 65270916211940