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213100209983 = 2367769179827
BaseRepresentation
bin1100011001110111000…
…0110010011100111111
3202101001022122022012202
43012131300302130333
511442412123204413
6241521421022115
721252551620013
oct3063560623477
9671038568182
10213100209983
1182414570921
12353729b493b
13171313a910b
14a457c94543
1558235bce58
hex319dc3273f

213100209983 has 16 divisors (see below), whose sum is σ = 225979057920. Its totient is φ = 200530446336.

The previous prime is 213100209953. The next prime is 213100209997. The reversal of 213100209983 is 389902001312.

It is a cyclic number.

It is not a de Polignac number, because 213100209983 - 212 = 213100205887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213100209953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1095116 + ... + 1274942.

It is an arithmetic number, because the mean of its divisors is an integer number (14123691120).

Almost surely, 2213100209983 is an apocalyptic number.

213100209983 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

213100209983 is a deficient number, since it is larger than the sum of its proper divisors (12878847937).

213100209983 is a wasteful number, since it uses less digits than its factorization.

213100209983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180686.

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 213100209983 in words is "two hundred thirteen billion, one hundred million, two hundred nine thousand, nine hundred eighty-three".

Divisors: 1 23 67 769 1541 17687 51523 179827 1185029 4136021 12048409 138286963 277113407 3180600149 9265226521 213100209983