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45959213161 = 2143812
BaseRepresentation
bin101010110011011000…
…011111000001101001
311101121222100221011001
4222303120133001221
51223111024310121
633040253235001
73214624603051
oct526330370151
9141558327131
1045959213161
11185448610a4
128aa7792a61
13444586a5b4
14231dc00561
1512dec64991
hexab361f069

45959213161 has 3 divisors (see below), whose sum is σ = 45959427543. Its totient is φ = 45958998780.

The previous prime is 45959213141. The next prime is 45959213171. The reversal of 45959213161 is 16131295954.

It is a happy number.

The square root of 45959213161 is 214381.

It is a perfect power (a square), and thus also a powerful number.

45959213161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 36335603161 + 9623610000 = 190619^2 + 98100^2 .

It is not a de Polignac number, because 45959213161 - 27 = 45959213033 is a prime.

It is a super-2 number, since 2×459592131612 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45959213101) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 107191 + ... + 321571.

It is an arithmetic number, because the mean of its divisors is an integer number (15319809181).

Almost surely, 245959213161 is an apocalyptic number.

45959213161 is the 214381-st square number.

45959213161 is the 107191-st centered octagonal number.

It is an amenable number.

45959213161 is a deficient number, since it is larger than the sum of its proper divisors (214382).

45959213161 is an frugal number, since it uses more digits than its factorization.

45959213161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428762 (or 214381 counting only the distinct ones).

The product of its digits is 291600, while the sum is 46.

The spelling of 45959213161 in words is "forty-five billion, nine hundred fifty-nine million, two hundred thirteen thousand, one hundred sixty-one".

Divisors: 1 214381 45959213161