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60644331013 = 7171845727611
BaseRepresentation
bin111000011110101011…
…110000111000000101
312210112102000012201211
4320132223300320011
51443144422043023
643505402251421
74244552210530
oct703653607005
9183472005654
1060644331013
11237a0164532
12b9057b6b71
1359460a7a46
142d14299a17
15189e0caa0d
hexe1eaf0e05

60644331013 has 16 divisors (see below), whose sum is σ = 73391370624. Its totient is φ = 48918735360.

The previous prime is 60644330941. The next prime is 60644331029. The reversal of 60644331013 is 31013344606.

It is a happy number.

60644331013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 60644331013 - 29 = 60644330501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60644331113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2182578 + ... + 2210188.

It is an arithmetic number, because the mean of its divisors is an integer number (4586960664).

Almost surely, 260644331013 is an apocalyptic number.

It is an amenable number.

60644331013 is a deficient number, since it is larger than the sum of its proper divisors (12747039611).

60644331013 is a wasteful number, since it uses less digits than its factorization.

60644331013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46092.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 60644331013 its reverse (31013344606), we get a palindrome (91657675619).

The spelling of 60644331013 in words is "sixty billion, six hundred forty-four million, three hundred thirty-one thousand, thirteen".

Divisors: 1 7 17 119 18457 27611 129199 193277 313769 469387 2196383 3285709 509616227 3567313589 8663475859 60644331013