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210131320002 = 23191843257193
BaseRepresentation
bin1100001110110011001…
…1010111110011000010
3202002101102011001210120
43003230303113303002
511420322104220002
6240311043241110
721116151515052
oct3035463276302
9662342131716
10210131320002
118113071993a
1234884679196
1316a7a297b96
14a255869562
1556ecb21cbc
hex30eccd7cc2

210131320002 has 16 divisors (see below), whose sum is σ = 442381726560. Its totient is φ = 66357258912.

The previous prime is 210131319997. The next prime is 210131320043. The reversal of 210131320002 is 200023131012.

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, 921628483 + ... + 921628710.

It is an arithmetic number, because the mean of its divisors is an integer number (27648857910).

Almost surely, 2210131320002 is an apocalyptic number.

210131320002 is an abundant number, since it is smaller than the sum of its proper divisors (232250406558).

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

210131320002 is a wasteful number, since it uses less digits than its factorization.

210131320002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843257217.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 210131320002 its reverse (200023131012), we get a palindrome (410154451014).

The spelling of 210131320002 in words is "two hundred ten billion, one hundred thirty-one million, three hundred twenty thousand, two".

Divisors: 1 2 3 6 19 38 57 114 1843257193 3686514386 5529771579 11059543158 35021886667 70043773334 105065660001 210131320002