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15138883343040 = 2635263238125183
BaseRepresentation
bin1101110001001100101111…
…0000111001001011000000
31222121021002210212012121120
43130103023300321023000
53441013413113434130
652110412413352240
73121514433136212
oct334231360711300
958537083765546
1015138883343040
114907400a82826
121846025498680
1385a78a64b1c2
143a4a23aaa5b2
151b3be530e910
hexdc4cbc392c0

15138883343040 has 224 divisors, whose sum is σ = 48270895681536. Its totient is φ = 4019836907520.

The previous prime is 15138883343029. The next prime is 15138883343057. The reversal of 15138883343040 is 4034338883151.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 601142289 + ... + 601167471.

Almost surely, 215138883343040 is an apocalyptic number.

15138883343040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15138883343040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24135447840768).

15138883343040 is an abundant number, since it is smaller than the sum of its proper divisors (33132012338496).

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

15138883343040 is a wasteful number, since it uses less digits than its factorization.

15138883343040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27847 (or 27837 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 51.

The spelling of 15138883343040 in words is "fifteen trillion, one hundred thirty-eight billion, eight hundred eighty-three million, three hundred forty-three thousand, forty".