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51434521130441 = 107480696459163
BaseRepresentation
bin10111011000111100010000…
…10111000111010111001001
320202010002111012202012000102
423230132020113013113021
523220200344402133231
6301220405351415145
713556010245015261
oct1354361027072711
9222102435665012
1051434521130441
1115430292312649
1259284310844b5
132291340286547
14c9b6308a87a1
155e2de37acacb
hex2ec7885c75c9

51434521130441 has 4 divisors (see below), whose sum is σ = 51915217589712. Its totient is φ = 50953824671172.

The previous prime is 51434521130429. The next prime is 51434521130491. The reversal of 51434521130441 is 14403112543415.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-51434521130441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51434521130395 and 51434521130404.

It is not an unprimeable number, because it can be changed into a prime (51434521130491) 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, 240348229475 + ... + 240348229688.

It is an arithmetic number, because the mean of its divisors is an integer number (12978804397428).

Almost surely, 251434521130441 is an apocalyptic number.

It is an amenable number.

51434521130441 is a deficient number, since it is larger than the sum of its proper divisors (480696459271).

51434521130441 is a wasteful number, since it uses less digits than its factorization.

51434521130441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480696459270.

The product of its (nonzero) digits is 115200, while the sum is 38.

Adding to 51434521130441 its reverse (14403112543415), we get a palindrome (65837633673856).

The spelling of 51434521130441 in words is "fifty-one trillion, four hundred thirty-four billion, five hundred twenty-one million, one hundred thirty thousand, four hundred forty-one".

Divisors: 1 107 480696459163 51434521130441