Search a number
-
+
5168999920931 = 711223709374239
BaseRepresentation
bin100101100111000000001…
…1001110111010100100011
3200022011002111021121221222
41023032000121313110203
51134142102434432211
614554334503205255
71042306431246650
oct113160031672443
920264074247858
105168999920931
111713184777500
126b595374682b
132b6585a84192
1413c276690c27
158e6ce3721db
hex4b380677523

5168999920931 has 48 divisors (see below), whose sum is σ = 6785180774400. Its totient is φ = 3847226518080.

The previous prime is 5168999920891. The next prime is 5168999920969. The reversal of 5168999920931 is 1390299998615.

It is not a de Polignac number, because 5168999920931 - 26 = 5168999920867 is a prime.

It is a super-2 number, since 2×51689999209312 (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5168999925931) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13624910 + ... + 13999148.

It is an arithmetic number, because the mean of its divisors is an integer number (141357932800).

Almost surely, 25168999920931 is an apocalyptic number.

5168999920931 is a deficient number, since it is larger than the sum of its proper divisors (1616180853469).

5168999920931 is a wasteful number, since it uses less digits than its factorization.

5168999920931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375000 (or 374989 counting only the distinct ones).

The product of its (nonzero) digits is 85030560, while the sum is 71.

The spelling of 5168999920931 in words is "five trillion, one hundred sixty-eight billion, nine hundred ninety-nine million, nine hundred twenty thousand, nine hundred thirty-one".

Divisors: 1 7 11 23 77 121 161 253 709 847 1771 2783 4963 7799 16307 19481 54593 85789 114149 179377 374239 600523 1255639 1973147 2619673 4116629 8607497 13812029 28816403 45282919 60252479 94682467 265335451 316980433 662777269 1041507137 1857348157 2918689961 6102715373 7290549959 20430829727 32105589571 42719007611 67129869103 224739126997 469909083721 738428560133 5168999920931