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1251390000014 = 27118125909091
BaseRepresentation
bin10010001101011100101…
…010000000101110001110
311102122001112001121011022
4102031130222000232032
5131000321320000024
62354514114354142
7156260416331660
oct22153452005616
94378045047138
101251390000014
11442791038790
1218263bb8b952
139100c31463b
14447d36c6530
15228415ec35e
hex1235ca80b8e

1251390000014 has 16 divisors (see below), whose sum is σ = 2340261818496. Its totient is φ = 487554545400.

The previous prime is 1251389999947. The next prime is 1251390000023. The reversal of 1251390000014 is 4100000931521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4062954392 + ... + 4062954699.

It is an arithmetic number, because the mean of its divisors is an integer number (146266363656).

Almost surely, 21251390000014 is an apocalyptic number.

1251390000014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1251390000014 is a deficient number, since it is larger than the sum of its proper divisors (1088871818482).

1251390000014 is a wasteful number, since it uses less digits than its factorization.

1251390000014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8125909111.

The product of its (nonzero) digits is 1080, while the sum is 26.

Adding to 1251390000014 its reverse (4100000931521), we get a palindrome (5351390931535).

The spelling of 1251390000014 in words is "one trillion, two hundred fifty-one billion, three hundred ninety million, fourteen", and thus it is an aban number.

Divisors: 1 2 7 11 14 22 77 154 8125909091 16251818182 56881363637 89385000001 113762727274 178770000002 625695000007 1251390000014