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10122550405 = 511347530393
BaseRepresentation
bin10010110110101100…
…11101110010000101
3222010110100211200021
421123112131302011
5131212333103110
64352241215141
7505563154522
oct113326356205
928113324607
1010122550405
114324a08a40
121b660314b1
13c541c81c6
146c0544149
153e3a192da
hex25b59dc85

10122550405 has 16 divisors (see below), whose sum is σ = 13289552064. Its totient is φ = 7340625280.

The previous prime is 10122550357. The next prime is 10122550421. The reversal of 10122550405 is 50405522101.

It is not a de Polignac number, because 10122550405 - 221 = 10120453253 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 10122550405.

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, 246112 + ... + 284281.

It is an arithmetic number, because the mean of its divisors is an integer number (830597004).

Almost surely, 210122550405 is an apocalyptic number.

It is an amenable number.

10122550405 is a deficient number, since it is larger than the sum of its proper divisors (3167001659).

10122550405 is a wasteful number, since it uses less digits than its factorization.

10122550405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530756.

The product of its (nonzero) digits is 2000, while the sum is 25.

The spelling of 10122550405 in words is "ten billion, one hundred twenty-two million, five hundred fifty thousand, four hundred five".

Divisors: 1 5 11 55 347 1735 3817 19085 530393 2651965 5834323 29171615 184046371 920231855 2024510081 10122550405