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1316070157 = 2769147527
BaseRepresentation
bin100111001110001…
…1010001100001101
310101201102021212011
41032130122030031
510143403221112
6334331541221
744420261143
oct11634321415
93351367764
101316070157
11615983a96
123088ba811
1317c87374c
14c6b05593
157a816aa7
hex4e71a30d

1316070157 has 4 divisors (see below), whose sum is σ = 1316145376. Its totient is φ = 1315994940.

The previous prime is 1316070127. The next prime is 1316070163. The reversal of 1316070157 is 7510706131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1316070157 - 211 = 1316068109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316070127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3928 + ... + 51454.

It is an arithmetic number, because the mean of its divisors is an integer number (329036344).

Almost surely, 21316070157 is an apocalyptic number.

It is an amenable number.

1316070157 is a deficient number, since it is larger than the sum of its proper divisors (75219).

1316070157 is an equidigital number, since it uses as much as digits as its factorization.

1316070157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75218.

The product of its (nonzero) digits is 4410, while the sum is 31.

The square root of 1316070157 is about 36277.6812517007. The cubic root of 1316070157 is about 1095.8716208719.

Adding to 1316070157 its reverse (7510706131), we get a palindrome (8826776288).

The spelling of 1316070157 in words is "one billion, three hundred sixteen million, seventy thousand, one hundred fifty-seven".

Divisors: 1 27691 47527 1316070157