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51002354142031 = 1743109763601333
BaseRepresentation
bin10111001100010111010010…
…01100111000101101001111
320200120202222202022111101111
423212023221030320231033
523141110310130021111
6300250054045152451
713512540611150035
oct1346135114705517
9220522882274344
1051002354142031
1115283a82314806
12587872125b727
13225c66963c466
14c84754574555
155d6a4cddea21
hex2e62e9338b4f

51002354142031 has 16 divisors (see below), whose sum is σ = 55308737667744. Its totient is φ = 46843144233984.

The previous prime is 51002354141983. The next prime is 51002354142053. The reversal of 51002354142031 is 13024145320015.

It is a cyclic number.

It is not a de Polignac number, because 51002354142031 - 231 = 51000206658383 is a prime.

It is a super-2 number, since 2×510023541420312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51002354141984 and 51002354142002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51002354152031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30998760 + ... + 32602573.

It is an arithmetic number, because the mean of its divisors is an integer number (3456796104234).

Almost surely, 251002354142031 is an apocalyptic number.

51002354142031 is a deficient number, since it is larger than the sum of its proper divisors (4306383525713).

51002354142031 is a wasteful number, since it uses less digits than its factorization.

51002354142031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63602490.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 51002354142031 its reverse (13024145320015), we get a palindrome (64026499462046).

The spelling of 51002354142031 in words is "fifty-one trillion, two billion, three hundred fifty-four million, one hundred forty-two thousand, thirty-one".

Divisors: 1 17 43 731 1097 18649 47171 801907 63601333 1081222661 2734857319 46492574423 69770662301 1186101259117 3000138478943 51002354142031