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157163563 = 1093143791
BaseRepresentation
bin10010101111000…
…10000000101011
3101221201201212201
421113202000223
5310213213223
623332321031
73615603544
oct1127420053
9357651781
10157163563
1180795347
1244773177
13267396bb
1416c314cb
15dbe6ead
hex95e202b

157163563 has 4 divisors (see below), whose sum is σ = 157308448. Its totient is φ = 157018680.

The previous prime is 157163527. The next prime is 157163569. The reversal of 157163563 is 365361751.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 157163563 - 225 = 123609131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157163569) 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, 70803 + ... + 72988.

It is an arithmetic number, because the mean of its divisors is an integer number (39327112).

Almost surely, 2157163563 is an apocalyptic number.

157163563 is a deficient number, since it is larger than the sum of its proper divisors (144885).

157163563 is a wasteful number, since it uses less digits than its factorization.

157163563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144884.

The product of its digits is 56700, while the sum is 37.

The square root of 157163563 is about 12536.4892613522. The cubic root of 157163563 is about 539.6563462757.

The spelling of 157163563 in words is "one hundred fifty-seven million, one hundred sixty-three thousand, five hundred sixty-three".

Divisors: 1 1093 143791 157163563