Search a number
-
+
56142214167161 = 1923729091444897
BaseRepresentation
bin11001100001111101000001…
…01110110111101001111001
321100210010212102202001010102
430300332200232313221321
524324313223311322121
6315223213243325145
714553066255414413
oct1460764056675171
9240703772661112
1056142214167161
11169858633001a1
1263688a1b207b5
13254325a296935
14dc1424b0d9b3
156755c3dd390b
hex330fa0bb7a79

56142214167161 has 24 divisors (see below), whose sum is σ = 60874968740040. Its totient is φ = 51732039177216.

The previous prime is 56142214167113. The next prime is 56142214167181. The reversal of 56142214167161 is 16176141224165.

It can be written as a sum of positive squares in 4 ways, for example, as 34838856978025 + 21303357189136 = 5902445^2 + 4615556^2 .

It is not a de Polignac number, because 56142214167161 - 26 = 56142214167097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56142214167181) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38133065 + ... + 39577961.

It is an arithmetic number, because the mean of its divisors is an integer number (2536457030835).

Almost surely, 256142214167161 is an apocalyptic number.

It is an amenable number.

56142214167161 is a deficient number, since it is larger than the sum of its proper divisors (4732754572879).

56142214167161 is a wasteful number, since it uses less digits than its factorization.

56142214167161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447881 (or 1447862 counting only the distinct ones).

The product of its digits is 483840, while the sum is 47.

The spelling of 56142214167161 in words is "fifty-six trillion, one hundred forty-two billion, two hundred fourteen million, one hundred sixty-seven thousand, one hundred sixty-one".

Divisors: 1 19 37 361 703 2909 13357 55271 107633 1050149 1444897 2045027 27453043 38855513 53461189 521607817 1015762591 4203205373 19299489229 79860902087 155518598801 1517357139653 2954853377219 56142214167161