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1250000000013 = 3718776691613
BaseRepresentation
bin10010001100001001110…
…011100101010000001101
311102111110122112021121210
4102030021303211100031
5130440000000000023
62354124142045033
7156211110455562
oct22141163452015
94374418467553
101250000000013
1144213845a156
12182312579779
1390b4a35772b
1444700c58869
15227ae580593
hex12309ce540d

1250000000013 has 16 divisors (see below), whose sum is σ = 1692068282496. Its totient is φ = 820659295680.

The previous prime is 1249999999879. The next prime is 1250000000111. The reversal of 1250000000013 is 3100000000521.

It is not a de Polignac number, because 1250000000013 - 212 = 1249999995917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1250000007013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3159006 + ... + 3532607.

It is an arithmetic number, because the mean of its divisors is an integer number (105754267656).

Almost surely, 21250000000013 is an apocalyptic number.

It is an amenable number.

1250000000013 is a deficient number, since it is larger than the sum of its proper divisors (442068282483).

1250000000013 is an equidigital number, since it uses as much as digits as its factorization.

1250000000013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6692564.

The product of its (nonzero) digits is 30, while the sum is 12.

Adding to 1250000000013 its reverse (3100000000521), we get a palindrome (4350000000534).

The spelling of 1250000000013 in words is "one trillion, two hundred fifty billion, thirteen", and thus it is an aban number.

Divisors: 1 3 71 213 877 2631 62267 186801 6691613 20074839 475104523 1425313569 5868544601 17605633803 416666666671 1250000000013