Search a number
-
+
90212022102012 = 223291283202049843
BaseRepresentation
bin10100100000110000011111…
…100010000010011111111100
3102211102011222221002000120020
4110200300133202002133330
543311013210124231022
6515510455243052140
725000414001561016
oct2440603742023774
9384364887060506
1090212022102012
1126820781721558
12a14b83b811050
133b44c59c0c525
14183c3dc6d71b6
15a6694d48a35c
hex520c1f8827fc

90212022102012 has 48 divisors (see below), whose sum is σ = 217922879744640. Its totient is φ = 29011124513728.

The previous prime is 90212022102001. The next prime is 90212022102023. The reversal of 90212022102012 is 21020122021209.

It is an interprime number because it is at equal distance from previous prime (90212022102001) and next prime (90212022102023).

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, 100578438 + ... + 101471405.

It is an arithmetic number, because the mean of its divisors is an integer number (4540059994680).

Almost surely, 290212022102012 is an apocalyptic number.

It is an amenable number.

90212022102012 is an abundant number, since it is smaller than the sum of its proper divisors (127710857642628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90212022102012 is a wasteful number, since it uses less digits than its factorization.

90212022102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202051162 (or 202051160 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The spelling of 90212022102012 in words is "ninety trillion, two hundred twelve billion, twenty-two million, one hundred two thousand, twelve".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 348 1283 2566 3849 5132 7698 15396 37207 74414 111621 148828 223242 446484 202049843 404099686 606149529 808199372 1212299058 2424598116 5859445447 11718890894 17578336341 23437781788 35156672682 70313345364 259229948569 518459897138 777689845707 1036919794276 1555379691414 3110759382828 7517668508501 15035337017002 22553005525503 30070674034004 45106011051006 90212022102012