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2531253222142 = 21682975205099
BaseRepresentation
bin100100110101011010011…
…100101111101011111110
322221222121101111202011121
4210311122130233223332
5312433001311102032
65214501445141154
7350606546246221
oct44653234575376
98858541452147
102531253222142
118965534aa697
1234a6a76ba7ba
131549085b45a8
148a7287435b8
1545c9c789a97
hex24d5a72fafe

2531253222142 has 8 divisors (see below), whose sum is σ = 3797105499000. Its totient is φ = 1265551389144.

The previous prime is 2531253222107. The next prime is 2531253222149. The reversal of 2531253222142 is 2412223521352.

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

It is a junction number, because it is equal to n+sod(n) for n = 2531253222098 and 2531253222107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531253222149) 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, 37568892 + ... + 37636207.

It is an arithmetic number, because the mean of its divisors is an integer number (474638187375).

Almost surely, 22531253222142 is an apocalyptic number.

2531253222142 is a deficient number, since it is larger than the sum of its proper divisors (1265852276858).

2531253222142 is a wasteful number, since it uses less digits than its factorization.

2531253222142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75221930.

The product of its digits is 57600, while the sum is 34.

Adding to 2531253222142 its reverse (2412223521352), we get a palindrome (4943476743494).

The spelling of 2531253222142 in words is "two trillion, five hundred thirty-one billion, two hundred fifty-three million, two hundred twenty-two thousand, one hundred forty-two".

Divisors: 1 2 16829 33658 75205099 150410198 1265626611071 2531253222142