Search a number
-
+
1349451568715 = 53121141261323
BaseRepresentation
bin10011101000110001100…
…101001101011001001011
311210000011121012102120012
4103220301211031121023
5134102134100144330
62511532434222135
7166331445035165
oct23506145153113
94700147172505
101349451568715
11480332259748
1219964872494b
139a3393559c3
1449457117935
1525180586c95
hex13a3194d64b

1349451568715 has 16 divisors (see below), whose sum is σ = 1679500932096. Its totient is φ = 1039785314400.

The previous prime is 1349451568657. The next prime is 1349451568747. The reversal of 1349451568715 is 5178651549431.

It is not a de Polignac number, because 1349451568715 - 222 = 1349447374411 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20597957 + ... + 20663366.

It is an arithmetic number, because the mean of its divisors is an integer number (104968808256).

Almost surely, 21349451568715 is an apocalyptic number.

1349451568715 is a deficient number, since it is larger than the sum of its proper divisors (330049363381).

1349451568715 is a wasteful number, since it uses less digits than its factorization.

1349451568715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41261570.

The product of its digits is 18144000, while the sum is 59.

The spelling of 1349451568715 in words is "one trillion, three hundred forty-nine billion, four hundred fifty-one million, five hundred sixty-eight thousand, seven hundred fifteen".

Divisors: 1 5 31 155 211 1055 6541 32705 41261323 206306615 1279101013 6395505065 8706139153 43530695765 269890313743 1349451568715