Search a number
-
+
1351653407 = 131910154181
BaseRepresentation
bin101000010010000…
…1001100000011111
310111012101002220022
41100210021200133
510232010402112
6342042342355
745331602326
oct12044114037
93435332808
101351653407
11633a78235
123187ba9bb
13187051b20
14cb7290bd
157d9e4d72
hex5090981f

1351653407 has 16 divisors (see below), whose sum is σ = 1547437920. Its totient is φ = 1170288000.

The previous prime is 1351653389. The next prime is 1351653409. The reversal of 1351653407 is 7043561531.

It is a cyclic number.

It is not a de Polignac number, because 1351653407 - 210 = 1351652383 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351653409) 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, 2144 + ... + 52037.

It is an arithmetic number, because the mean of its divisors is an integer number (96714870).

Almost surely, 21351653407 is an apocalyptic number.

1351653407 is a deficient number, since it is larger than the sum of its proper divisors (195784513).

1351653407 is a wasteful number, since it uses less digits than its factorization.

1351653407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54314.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 1351653407 is about 36764.8392761345. The cubic root of 1351653407 is about 1105.6604657723.

The spelling of 1351653407 in words is "one billion, three hundred fifty-one million, six hundred fifty-three thousand, four hundred seven".

Divisors: 1 13 19 101 247 1313 1919 24947 54181 704353 1029439 5472281 13382707 71139653 103973339 1351653407