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15485596680 = 23353741257331
BaseRepresentation
bin11100110110000001…
…10111010000001000
31110222012212211002210
432123000313100020
5223203303043210
611040342025120
71055514254121
oct163300672010
943865784083
1015485596680
116627240a94
1230021181a0
1315ca32a278
14a6c90b048
15609784e20
hex39b037408

15485596680 has 256 divisors, whose sum is σ = 49214511360. Its totient is φ = 3892838400.

The previous prime is 15485596649. The next prime is 15485596739. The reversal of 15485596680 is 8669558451.

It is a self number, because there is not a number n which added to its sum of digits gives 15485596680.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 46784115 + ... + 46784445.

It is an arithmetic number, because the mean of its divisors is an integer number (192244185).

Almost surely, 215485596680 is an apocalyptic number.

15485596680 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 15485596680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24607255680).

15485596680 is an abundant number, since it is smaller than the sum of its proper divisors (33728914680).

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

15485596680 is a wasteful number, since it uses less digits than its factorization.

15485596680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680 (or 676 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 57.

The spelling of 15485596680 in words is "fifteen billion, four hundred eighty-five million, five hundred ninety-six thousand, six hundred eighty".