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53077719945 = 3529763915973
BaseRepresentation
bin110001011011101011…
…011011101110001001
312002000002002112200110
4301123223123232021
51332200344014240
640214503424533
73556213114125
oct613353335611
9162002075613
1053077719945
1120567a97658
12a353755149
13500b5968a3
1427d73a8585
1515a9b8bc80
hexc5badbb89

53077719945 has 32 divisors (see below), whose sum is σ = 87869779200. Its totient is φ = 27326686464.

The previous prime is 53077719943. The next prime is 53077719973. The reversal of 53077719945 is 54991777035.

It is not a de Polignac number, because 53077719945 - 21 = 53077719943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53077719941) 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, 3314979 + ... + 3330951.

It is an arithmetic number, because the mean of its divisors is an integer number (2745930600).

Almost surely, 253077719945 is an apocalyptic number.

It is an amenable number.

53077719945 is a deficient number, since it is larger than the sum of its proper divisors (34792059255).

53077719945 is a wasteful number, since it uses less digits than its factorization.

53077719945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23649.

The product of its (nonzero) digits is 8334900, while the sum is 57.

The spelling of 53077719945 in words is "fifty-three billion, seventy-seven million, seven hundred nineteen thousand, nine hundred forty-five".

Divisors: 1 3 5 15 29 87 145 435 7639 15973 22917 38195 47919 79865 114585 221531 239595 463217 664593 1107655 1389651 2316085 3322965 6948255 122017747 366053241 610088735 1830266205 3538514663 10615543989 17692573315 53077719945