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20102132002331 = 161312462574087
BaseRepresentation
bin1001001001000011001000…
…11011111110111000011011
32122011202010010211210021202
410210201210123332320123
510113323131243033311
6110430443021224415
74143221366512421
oct444414433767033
978152103753252
1020102132002331
1164502a24aa035
122307b1740210b
13b2a813707802
144d6d3c4d9111
1524cd81359e3b
hex1248646fee1b

20102132002331 has 4 divisors (see below), whose sum is σ = 20114594578032. Its totient is φ = 20089669426632.

The previous prime is 20102132002307. The next prime is 20102132002363. The reversal of 20102132002331 is 13320023120102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20102132002331 - 210 = 20102132001307 is a prime.

It is a super-2 number, since 2×201021320023312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20102132002301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6231285431 + ... + 6231288656.

It is an arithmetic number, because the mean of its divisors is an integer number (5028648644508).

Almost surely, 220102132002331 is an apocalyptic number.

20102132002331 is a deficient number, since it is larger than the sum of its proper divisors (12462575701).

20102132002331 is a wasteful number, since it uses less digits than its factorization.

20102132002331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12462575700.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20102132002331 its reverse (13320023120102), we get a palindrome (33422155122433).

The spelling of 20102132002331 in words is "twenty trillion, one hundred two billion, one hundred thirty-two million, two thousand, three hundred thirty-one".

Divisors: 1 1613 12462574087 20102132002331