Search a number
-
+
2913138993775 = 52534577876113
BaseRepresentation
bin101010011001000100100…
…111010110101001101111
3101022111022122221222021111
4222121010213112221233
5340212102040300100
610110135542412451
7420316204612633
oct52310447265157
911274278858244
102913138993775
11a2350102011a
123b0704431127
131819281394ba
14a0dd4c62dc3
1550b9dc646ba
hex2a6449d6a6f

2913138993775 has 48 divisors (see below), whose sum is σ = 3693793251744. Its totient is φ = 2278264135680.

The previous prime is 2913138993773. The next prime is 2913138993781. The reversal of 2913138993775 is 5773998313192.

It is not a de Polignac number, because 2913138993775 - 21 = 2913138993773 is a prime.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2913138993775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2913138993773) 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, 476545119 + ... + 476551231.

It is an arithmetic number, because the mean of its divisors is an integer number (76954026078).

Almost surely, 22913138993775 is an apocalyptic number.

2913138993775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2913138993775 is a deficient number, since it is larger than the sum of its proper divisors (780654257969).

2913138993775 is a wasteful number, since it uses less digits than its factorization.

2913138993775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7420 (or 7415 counting only the distinct ones).

The product of its digits is 77157360, while the sum is 67.

The spelling of 2913138993775 in words is "two trillion, nine hundred thirteen billion, one hundred thirty-eight million, nine hundred ninety-three thousand, seven hundred seventy-five".

Divisors: 1 5 25 53 265 457 787 1325 2285 3935 6113 11425 19675 24221 30565 41711 121105 152825 208555 323989 359659 605525 1042775 1619945 1798295 2793641 4810931 8099725 8991475 13968205 19061927 24054655 69841025 95309635 120273275 148062973 254979343 476548175 740314865 1274896715 2198595467 3701574325 6374483575 10992977335 54964886675 116525559751 582627798755 2913138993775