Search a number
-
+
15680155468368 = 243397338221627
BaseRepresentation
bin1110010000101101001000…
…0110001100001001010000
32001112000012222212010020110
43210023102012030021100
54023400424244441433
653203210341441320
73205565604242556
oct344132206141120
961460188763213
1015680155468368
114aa5a09a87906
121912b04410240
1389982b2769c1
143c2cd0403bd6
151c2d24460963
hexe42d218c250

15680155468368 has 40 divisors (see below), whose sum is σ = 40508092702048. Its totient is φ = 5226586307712.

The previous prime is 15680155468331. The next prime is 15680155468387. The reversal of 15680155468368 is 86386455108651.

It is a junction number, because it is equal to n+sod(n) for n = 15680155468299 and 15680155468308.

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, 2203630 + ... + 6017997.

Almost surely, 215680155468368 is an apocalyptic number.

It is an amenable number.

15680155468368 is an abundant number, since it is smaller than the sum of its proper divisors (24827937233680).

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

15680155468368 is a wasteful number, since it uses less digits than its factorization.

15680155468368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8261371 (or 8261365 counting only the distinct ones).

The product of its (nonzero) digits is 165888000, while the sum is 66.

The spelling of 15680155468368 in words is "fifteen trillion, six hundred eighty billion, one hundred fifty-five million, four hundred sixty-eight thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 39733 79466 119199 158932 238398 317864 476796 635728 953592 1907184 8221627 16443254 24664881 32886508 49329762 65773016 98659524 131546032 197319048 394638096 326669905591 653339811182 980009716773 1306679622364 1960019433546 2613359244728 3920038867092 5226718489456 7840077734184 15680155468368