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5122420405 = 56119187931
BaseRepresentation
bin1001100010101000…
…11110111010110101
3111012222201220210021
410301110132322311
540442314423110
62204143125141
7240636566164
oct46124367265
914188656707
105122420405
1121995222a3
12bab5a37b1
136383223bb
1436844b3db
151eea892da
hex13151eeb5

5122420405 has 16 divisors (see below), whose sum is σ = 6280455168. Its totient is φ = 4009608000.

The previous prime is 5122420397. The next prime is 5122420427. The reversal of 5122420405 is 5040242215.

It is not a de Polignac number, because 5122420405 - 23 = 5122420397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5122420405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14290 + ... + 102220.

It is an arithmetic number, because the mean of its divisors is an integer number (392528448).

Almost surely, 25122420405 is an apocalyptic number.

It is an amenable number.

5122420405 is a deficient number, since it is larger than the sum of its proper divisors (1158034763).

5122420405 is a wasteful number, since it uses less digits than its factorization.

5122420405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88188.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 5122420405 is about 71571.0863757146. The cubic root of 5122420405 is about 1723.8193032235.

The spelling of 5122420405 in words is "five billion, one hundred twenty-two million, four hundred twenty thousand, four hundred five".

Divisors: 1 5 61 191 305 955 11651 58255 87931 439655 5363791 16794821 26818955 83974105 1024484081 5122420405