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2210021668940 = 225141437813129
BaseRepresentation
bin100000001010001111100…
…011100111100001001100
321211021110012200001210012
4200022033203213201030
5242202111021401230
64411134150132352
7315445253143541
oct40121743474114
97737405601705
102210021668940
117822a0687208
122b83979510b8
13130533bb9967
1478d73934bc8
153c74b190395
hex2028f8e784c

2210021668940 has 24 divisors (see below), whose sum is σ = 4641374250240. Its totient is φ = 883946049408.

The previous prime is 2210021668909. The next prime is 2210021668969. The reversal of 2210021668940 is 498661200122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3623705 + ... + 4189424.

It is an arithmetic number, because the mean of its divisors is an integer number (193390593760).

Almost surely, 22210021668940 is an apocalyptic number.

2210021668940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2210021668940 is an abundant number, since it is smaller than the sum of its proper divisors (2431352581300).

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

2210021668940 is a wasteful number, since it uses less digits than its factorization.

2210021668940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7827281 (or 7827279 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 2210021668940 in words is "two trillion, two hundred ten billion, twenty-one million, six hundred sixty-eight thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 14143 28286 56572 70715 141430 282860 7813129 15626258 31252516 39065645 78131290 156262580 110501083447 221002166894 442004333788 552505417235 1105010834470 2210021668940