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531142150441 = 7617122978039
BaseRepresentation
bin1111011101010101000…
…10100000100100101001
31212202222012122212110211
413232222202200210221
532200234342303231
61044000415341121
753242124534020
oct7565242404451
91782865585424
10531142150441
1119528a996011
1286b325217a1
133b118031126
141b9c921d8b7
15dc39b6beb1
hex7baa8a0929

531142150441 has 8 divisors (see below), whose sum is σ = 608003429760. Its totient is φ = 454526828448.

The previous prime is 531142150433. The next prime is 531142150457. The reversal of 531142150441 is 144051241135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 531142150441 - 23 = 531142150433 is a prime.

It is a super-2 number, since 2×5311421504412 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531142150541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61484701 + ... + 61493338.

It is an arithmetic number, because the mean of its divisors is an integer number (76000428720).

Almost surely, 2531142150441 is an apocalyptic number.

It is an amenable number.

531142150441 is a deficient number, since it is larger than the sum of its proper divisors (76861279319).

531142150441 is a wasteful number, since it uses less digits than its factorization.

531142150441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122978663.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 531142150441 its reverse (144051241135), we get a palindrome (675193391576).

The spelling of 531142150441 in words is "five hundred thirty-one billion, one hundred forty-two million, one hundred fifty thousand, four hundred forty-one".

Divisors: 1 7 617 4319 122978039 860846273 75877450063 531142150441