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244130132521 = 11217623114487
BaseRepresentation
bin1110001101011101001…
…0100011001000101001
3212100010211220200201001
43203113102203020221
512444434303220041
6304052443555001
723431525613332
oct3432722431051
9770124820631
10244130132521
1194598105a00
123b39282ba61
131a037c57022
14bb5cdd9289
15653c839131
hex38d74a3229

244130132521 has 12 divisors (see below), whose sum is σ = 268358956096. Its totient is φ = 221921952120.

The previous prime is 244130132513. The next prime is 244130132537. The reversal of 244130132521 is 125231031442.

It is not a de Polignac number, because 244130132521 - 23 = 244130132513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 244130132521.

It is not an unprimeable number, because it can be changed into a prime (244130132591) 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, 2075140 + ... + 2189626.

Almost surely, 2244130132521 is an apocalyptic number.

It is an amenable number.

244130132521 is a deficient number, since it is larger than the sum of its proper divisors (24228823575).

244130132521 is a wasteful number, since it uses less digits than its factorization.

244130132521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132132 (or 132121 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 244130132521 its reverse (125231031442), we get a palindrome (369361163963).

The spelling of 244130132521 in words is "two hundred forty-four billion, one hundred thirty million, one hundred thirty-two thousand, five hundred twenty-one".

Divisors: 1 11 121 17623 114487 193853 1259357 2132383 13852927 2017604401 22193648411 244130132521