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61463726054731 = 721113193743616771
BaseRepresentation
bin11011111100110101000111…
…00011101101110101001011
322001121212121202012022101101
431332122203203231311023
531024010202332222411
6334420013531402231
715642415300214500
oct1576324343556513
9261555552168341
1061463726054731
1118647690002530
126a880b95b3377
13283b009b59450
141126c085d94a7
15718c2c6268c1
hex37e6a38edd4b

61463726054731 has 768 divisors, whose sum is σ = 97203858554880. Its totient is φ = 38023147008000.

The previous prime is 61463726054699. The next prime is 61463726054743. The reversal of 61463726054731 is 13745062736416.

It is not a de Polignac number, because 61463726054731 - 25 = 61463726054699 is a prime.

It is a super-2 number, since 2×614637260547312 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61463726054761) by changing a digit.

It is a polite number, since it can be written in 767 ways as a sum of consecutive naturals, for example, 865686282426 + ... + 865686282496.

It is an arithmetic number, because the mean of its divisors is an integer number (126567524160).

Almost surely, 261463726054731 is an apocalyptic number.

61463726054731 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

61463726054731 is a deficient number, since it is larger than the sum of its proper divisors (35740132500149).

61463726054731 is a wasteful number, since it uses less digits than its factorization.

61463726054731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336 (or 329 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 55.

The spelling of 61463726054731 in words is "sixty-one trillion, four hundred sixty-three billion, seven hundred twenty-six million, fifty-four thousand, seven hundred thirty-one".