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213102211313220 = 22353551703521887
BaseRepresentation
bin110000011101000010111001…
…100110110010111001000100
31000221112101001111202021120020
4300131002321212302321010
5210412431312044010340
62033121445425135140
762613061312033065
oct6035027146627104
91027471044667506
10213102211313220
11619a015a7a5529
121ba9877748a4b0
1391ba5b5919898
143a8a2b865056c
151998426b649d0
hexc1d0b99b2e44

213102211313220 has 24 divisors (see below), whose sum is σ = 596686191677184. Its totient is φ = 56827256350176.

The previous prime is 213102211313219. The next prime is 213102211313333. The reversal of 213102211313220 is 22313112201312.

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, 1775851760884 + ... + 1775851761003.

It is an arithmetic number, because the mean of its divisors is an integer number (24861924653216).

Almost surely, 2213102211313220 is an apocalyptic number.

213102211313220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213102211313220 is an abundant number, since it is smaller than the sum of its proper divisors (383583980363964).

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

213102211313220 is a wasteful number, since it uses less digits than its factorization.

213102211313220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3551703521899 (or 3551703521897 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 213102211313220 its reverse (22313112201312), we get a palindrome (235415323514532).

The spelling of 213102211313220 in words is "two hundred thirteen trillion, one hundred two billion, two hundred eleven million, three hundred thirteen thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 3551703521887 7103407043774 10655110565661 14206814087548 17758517609435 21310221131322 35517035218870 42620442262644 53275552828305 71034070437740 106551105656610 213102211313220