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60994905431 is a prime number
BaseRepresentation
bin111000110011100101…
…000110010101010111
312211102211200020102112
4320303211012111113
51444404143433211
644004244301235
74256340066425
oct706345062527
9184384606375
1060994905431
1123960041259
12b9a30a181b
1359a0902525
142d48a76115
1518bec7988b
hexe33946557

60994905431 has 2 divisors, whose sum is σ = 60994905432. Its totient is φ = 60994905430.

The previous prime is 60994905331. The next prime is 60994905437. The reversal of 60994905431 is 13450949906.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-60994905431 is a prime.

It is a super-2 number, since 2×609949054312 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 60994905431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60994905437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30497452715 + 30497452716.

It is an arithmetic number, because the mean of its divisors is an integer number (30497452716).

Almost surely, 260994905431 is an apocalyptic number.

60994905431 is a deficient number, since it is larger than the sum of its proper divisors (1).

60994905431 is an equidigital number, since it uses as much as digits as its factorization.

60994905431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1049760, while the sum is 50.

The spelling of 60994905431 in words is "sixty billion, nine hundred ninety-four million, nine hundred five thousand, four hundred thirty-one".