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1255511414431 = 28122511984901
BaseRepresentation
bin10010010001010010010…
…011111101011010011111
311110000200202020010212201
4102101102103331122133
5131032241410230211
62400435102512331
7156464512640311
oct22212223753237
94400622203781
101255511414431
1144450650a3aa
121833b02956a7
13915181369b1
1444aa4c037b1
15229d33570c1
hex124524fd69f

1255511414431 has 8 divisors (see below), whose sum is σ = 1260539803728. Its totient is φ = 1250487000000.

The previous prime is 1255511414429. The next prime is 1255511414473. The reversal of 1255511414431 is 1344141155521.

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

It is a cyclic number.

It is not a de Polignac number, because 1255511414431 - 21 = 1255511414429 is a prime.

It is a super-2 number, since 2×12555114144312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255511444431) 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, 359920 + ... + 1624981.

It is an arithmetic number, because the mean of its divisors is an integer number (157567475466).

Almost surely, 21255511414431 is an apocalyptic number.

1255511414431 is a deficient number, since it is larger than the sum of its proper divisors (5028389297).

1255511414431 is a wasteful number, since it uses less digits than its factorization.

1255511414431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1987433.

The product of its digits is 48000, while the sum is 37.

Adding to 1255511414431 its reverse (1344141155521), we get a palindrome (2599652569952).

The spelling of 1255511414431 in words is "one trillion, two hundred fifty-five billion, five hundred eleven million, four hundred fourteen thousand, four hundred thirty-one".

Divisors: 1 281 2251 632531 1984901 557757181 4468012151 1255511414431