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213200120023 = 1123986344201
BaseRepresentation
bin1100011010001110110…
…1111010100011010111
3202101022021122021000121
43012203231322203113
511443113212320043
6241535350252411
721255204055642
oct3064355724327
9671267567017
10213200120023
1182465a00800
12353a0357107
1317148cba997
14a467260a59
15582c255ded
hex31a3b7a8d7

213200120023 has 12 divisors (see below), whose sum is σ = 234355114224. Its totient is φ = 193809044000.

The previous prime is 213200119987. The next prime is 213200120047. The reversal of 213200120023 is 320021002312.

It is a de Polignac number, because none of the positive numbers 2k-213200120023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213200119979 and 213200120006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213200120093) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4801323 + ... + 4845523.

It is an arithmetic number, because the mean of its divisors is an integer number (19529592852).

Almost surely, 2213200120023 is an apocalyptic number.

213200120023 is a deficient number, since it is larger than the sum of its proper divisors (21154994201).

213200120023 is a wasteful number, since it uses less digits than its factorization.

213200120023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84086 (or 84075 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 213200120023 its reverse (320021002312), we get a palindrome (533221122335).

The spelling of 213200120023 in words is "two hundred thirteen billion, two hundred million, one hundred twenty thousand, twenty-three".

Divisors: 1 11 121 39863 44201 438493 486211 4823423 5348321 1761984463 19381829093 213200120023