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1388876250012 = 223259434461307
BaseRepresentation
bin10100001101011111011…
…110011011101110011100
311220202221011200202011120
4110031133132123232130
5140223404310000022
62542012502050540
7202225435224036
oct24153736335634
94822834622146
101388876250012
11496023487289
121a520ba19a50
13a0c801717a4
144b317124c56
15261db7c8d5c
hex1435f79bb9c

1388876250012 has 24 divisors (see below), whose sum is σ = 3240836893056. Its totient is φ = 462940801008.

The previous prime is 1388876249921. The next prime is 1388876250043. The reversal of 1388876250012 is 2100526788831.

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, 1919338 + ... + 2541969.

It is an arithmetic number, because the mean of its divisors is an integer number (135034870544).

Almost surely, 21388876250012 is an apocalyptic number.

1388876250012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1388876250012 is an abundant number, since it is smaller than the sum of its proper divisors (1851960643044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1388876250012 is a wasteful number, since it uses less digits than its factorization.

1388876250012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4487257 (or 4487255 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 51.

The spelling of 1388876250012 in words is "one trillion, three hundred eighty-eight billion, eight hundred seventy-six million, two hundred fifty thousand, twelve".

Divisors: 1 2 3 4 6 12 25943 51886 77829 103772 155658 311316 4461307 8922614 13383921 17845228 26767842 53535684 115739687501 231479375002 347219062503 462958750004 694438125006 1388876250012