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5211156161 = 23474820681
BaseRepresentation
bin1001101101001101…
…11110111011000001
3111110011201011100202
410312212332323001
541133023444121
62221033054545
7243065045051
oct46646767301
914404634322
105211156161
11223461a832
121015257455
13650820a73
14376149561
1520776640b
hex1369beec1

5211156161 has 8 divisors (see below), whose sum is σ = 5553425664. Its totient is φ = 4878528160.

The previous prime is 5211156157. The next prime is 5211156187. The reversal of 5211156161 is 1616511125.

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

It is not a de Polignac number, because 5211156161 - 22 = 5211156157 is a prime.

It is a super-2 number, since 2×52111561612 = 54312297068656515842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5211156101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2409260 + ... + 2411421.

It is an arithmetic number, because the mean of its divisors is an integer number (694178208).

Almost surely, 25211156161 is an apocalyptic number.

It is an amenable number.

5211156161 is a deficient number, since it is larger than the sum of its proper divisors (342269503).

5211156161 is a wasteful number, since it uses less digits than its factorization.

5211156161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4820751.

The product of its digits is 1800, while the sum is 29.

The square root of 5211156161 is about 72188.3381232731. The cubic root of 5211156161 is about 1733.7162876202.

Adding to 5211156161 its reverse (1616511125), we get a palindrome (6827667286).

The spelling of 5211156161 in words is "five billion, two hundred eleven million, one hundred fifty-six thousand, one hundred sixty-one".

Divisors: 1 23 47 1081 4820681 110875663 226572007 5211156161