Search a number
-
+
1368133351 = 131075631747
BaseRepresentation
bin101000110001100…
…0000111011100111
310112100101101010121
41101203000323213
510300220231401
6343431502411
745621640654
oct12143007347
93470341117
101368133351
11642303922
12322227a07
1318a5a1c80
14cd9b8c2b
158019cca1
hex518c0ee7

1368133351 has 16 divisors (see below), whose sum is σ = 1490638464. Its totient is φ = 1248152544.

The previous prime is 1368133271. The next prime is 1368133363. The reversal of 1368133351 is 1533318631.

It is a cyclic number.

It is not a de Polignac number, because 1368133351 - 219 = 1367609063 is a prime.

It is a super-2 number, since 2×13681333512 = 3743577732236978402, which contains 22 as substring.

It is a Duffinian number.

Its product of digits (19440) is a multiple of the sum of its prime divisors (2430).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368133051) 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, 782260 + ... + 784006.

It is an arithmetic number, because the mean of its divisors is an integer number (93164904).

Almost surely, 21368133351 is an apocalyptic number.

1368133351 is a deficient number, since it is larger than the sum of its proper divisors (122505113).

1368133351 is a wasteful number, since it uses less digits than its factorization.

1368133351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2430.

The product of its digits is 19440, while the sum is 34.

The square root of 1368133351 is about 36988.2866729455. The cubic root of 1368133351 is about 1110.1358898102.

The spelling of 1368133351 in words is "one billion, three hundred sixty-eight million, one hundred thirty-three thousand, three hundred fifty-one".

Divisors: 1 13 107 563 1391 1747 7319 22711 60241 186929 783133 983561 2430077 12786293 105241027 1368133351