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2122203090 = 235759916871
BaseRepresentation
bin111111001111110…
…0011111111010010
312110220022002100110
41332133203333102
513321240444330
6550330102150
7103406300010
oct17637437722
95426262313
102122203090
11999a23657
124b287a956
1327a892c97
14161bc98b0
15c64a0db0
hex7e7e3fd2

2122203090 has 64 divisors (see below), whose sum is σ = 5830963200. Its totient is φ = 484236480.

The previous prime is 2122203089. The next prime is 2122203121. The reversal of 2122203090 is 903022212.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117355 + ... + 134225.

It is an arithmetic number, because the mean of its divisors is an integer number (91108800).

Almost surely, 22122203090 is an apocalyptic number.

2122203090 is an abundant number, since it is smaller than the sum of its proper divisors (3708760110).

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

2122203090 is a wasteful number, since it uses less digits than its factorization.

2122203090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17487.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 2122203090 is about 46067.3755492974. The cubic root of 2122203090 is about 1285.0764972350.

The spelling of 2122203090 in words is "two billion, one hundred twenty-two million, two hundred three thousand, ninety".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 599 1198 1797 2995 3594 4193 5990 8386 8985 12579 16871 17970 20965 25158 33742 41930 50613 62895 84355 101226 118097 125790 168710 236194 253065 354291 506130 590485 708582 1180970 1771455 3542910 10105729 20211458 30317187 50528645 60634374 70740103 101057290 141480206 151585935 212220309 303171870 353700515 424440618 707401030 1061101545 2122203090