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15680889625340 = 2255994114122093
BaseRepresentation
bin1110010000101111110111…
…0110110001101011111100
32001112002010011022011021102
43210023331312301223330
54023403430221002330
653203411245152232
73205623030415112
oct344137566615374
961462104264242
1015680889625340
114aa6256436905
12191308a25b678
138999173b5204
143c2d5db0dab2
151c2d68b2d945
hexe42fddb1afc

15680889625340 has 48 divisors (see below), whose sum is σ = 33523591620960. Its totient is φ = 6159491646720.

The previous prime is 15680889625333. The next prime is 15680889625363. The reversal of 15680889625340 is 4352698808651.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5950667 + ... + 8171426.

It is an arithmetic number, because the mean of its divisors is an integer number (698408158770).

Almost surely, 215680889625340 is an apocalyptic number.

15680889625340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15680889625340 is an abundant number, since it is smaller than the sum of its proper divisors (17842701995620).

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

15680889625340 is a wasteful number, since it uses less digits than its factorization.

15680889625340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14123102 (or 14123100 counting only the distinct ones).

The product of its (nonzero) digits is 99532800, while the sum is 65.

The spelling of 15680889625340 in words is "fifteen trillion, six hundred eighty billion, eight hundred eighty-nine million, six hundred twenty-five thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 59 118 236 295 590 941 1180 1882 3764 4705 9410 18820 55519 111038 222076 277595 555190 1110380 14122093 28244186 56488372 70610465 141220930 282441860 833203487 1666406974 3332813948 4166017435 8332034870 13288889513 16664069740 26577779026 53155558052 66444447565 132888895130 265777790260 784044481267 1568088962534 3136177925068 3920222406335 7840444812670 15680889625340