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1056071161 = 17394715739
BaseRepresentation
bin111110111100100…
…101110111111001
32201121011222021201
4332330211313321
54130323234121
6252443134201
735112312445
oct7674456771
92647158251
101056071161
114a2140992
12255814361
1313aa3caa2
14a0385825
1562aa9e91
hex3ef25df9

1056071161 has 8 divisors (see below), whose sum is σ = 1118547360. Its totient is φ = 993634368.

The previous prime is 1056071119. The next prime is 1056071171. The reversal of 1056071161 is 1611706501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1056071161 - 27 = 1056071033 is a prime.

It is a super-2 number, since 2×10560711612 = 2230572594191775842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1056071171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59230 + ... + 74968.

It is an arithmetic number, because the mean of its divisors is an integer number (139818420).

Almost surely, 21056071161 is an apocalyptic number.

It is an amenable number.

1056071161 is a deficient number, since it is larger than the sum of its proper divisors (62476199).

1056071161 is a wasteful number, since it uses less digits than its factorization.

1056071161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19703.

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 1056071161 is about 32497.2485142973. The cubic root of 1056071161 is about 1018.3515475617.

Adding to 1056071161 its reverse (1611706501), we get a palindrome (2667777662).

The spelling of 1056071161 in words is "one billion, fifty-six million, seventy-one thousand, one hundred sixty-one".

Divisors: 1 17 3947 15739 67099 267563 62121833 1056071161