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10131130224221 = 53191153400457
BaseRepresentation
bin1001001101101101011001…
…1010110000111001011101
31022212112012212212211121112
42103123112122300321131
52311442023314133341
633314102120511405
72063643565016066
oct223332632607135
938775185784545
1010131130224221
113256651991356
12117759301b565
13586491233a86
142704c676356d
1512880210caeb
hex936d66b0e5d

10131130224221 has 4 divisors (see below), whose sum is σ = 10322283624732. Its totient is φ = 9939976823712.

The previous prime is 10131130224211. The next prime is 10131130224247. The reversal of 10131130224221 is 12242203113101.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8774545898596 + 1356584325625 = 2962186^2 + 1164725^2 .

It is a cyclic number.

It is not a de Polignac number, because 10131130224221 - 210 = 10131130223197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10131130224211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95576700176 + ... + 95576700281.

It is an arithmetic number, because the mean of its divisors is an integer number (2580570906183).

Almost surely, 210131130224221 is an apocalyptic number.

It is an amenable number.

10131130224221 is a deficient number, since it is larger than the sum of its proper divisors (191153400511).

10131130224221 is an equidigital number, since it uses as much as digits as its factorization.

10131130224221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191153400510.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 10131130224221 its reverse (12242203113101), we get a palindrome (22373333337322).

The spelling of 10131130224221 in words is "ten trillion, one hundred thirty-one billion, one hundred thirty million, two hundred twenty-four thousand, two hundred twenty-one".

Divisors: 1 53 191153400457 10131130224221