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611196431161 = 19213715052987
BaseRepresentation
bin10001110010011100010…
…01010110101100111001
32011102121022220200121211
420321032021112230321
540003212241244121
61144440232403121
762105005642321
oct10711611265471
92142538820554
10611196431161
112162304a6a98
129a5545464a1
134583548c8c4
1421821288281
1510d72cadce1
hex8e4e256b39

611196431161 has 8 divisors (see below), whose sum is σ = 643665766880. Its totient is φ = 578757205728.

The previous prime is 611196431149. The next prime is 611196431177. The reversal of 611196431161 is 161134691116.

611196431161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 611196431161 - 25 = 611196431129 is a prime.

It is a super-2 number, since 2×6111964311612 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (611196431101) 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, 7485891 + ... + 7567096.

It is an arithmetic number, because the mean of its divisors is an integer number (80458220860).

Almost surely, 2611196431161 is an apocalyptic number.

It is an amenable number.

611196431161 is a deficient number, since it is larger than the sum of its proper divisors (32469335719).

611196431161 is a wasteful number, since it uses less digits than its factorization.

611196431161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15055143.

The product of its digits is 23328, while the sum is 40.

The spelling of 611196431161 in words is "six hundred eleven billion, one hundred ninety-six million, four hundred thirty-one thousand, one hundred sixty-one".

Divisors: 1 19 2137 40603 15052987 286006753 32168233219 611196431161