Search a number
-
+
15680227653420 = 22351123757920687
BaseRepresentation
bin1110010000101101011001…
…1001100011011100101100
32001112000102000200111111220
43210023112121203130230
54023401101234402140
653203221440543340
73205600441636611
oct344132631433454
961460360614456
1015680227653420
114aa5a46800580
121912b24621b50
138998401cbc55
143c2cd9c34508
151c2d2a96dbd0
hexe42d666372c

15680227653420 has 48 divisors (see below), whose sum is σ = 47895968107008. Its totient is φ = 3801267309760.

The previous prime is 15680227653397. The next prime is 15680227653481. The reversal of 15680227653420 is 2435672208651.

15680227653420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 11878959684 + ... + 11878961003.

It is an arithmetic number, because the mean of its divisors is an integer number (997832668896).

Almost surely, 215680227653420 is an apocalyptic number.

15680227653420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15680227653420 is an abundant number, since it is smaller than the sum of its proper divisors (32215740453588).

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

15680227653420 is a wasteful number, since it uses less digits than its factorization.

15680227653420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23757920710 (or 23757920708 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 51.

The spelling of 15680227653420 in words is "fifteen trillion, six hundred eighty billion, two hundred twenty-seven million, six hundred fifty-three thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 23757920687 47515841374 71273762061 95031682748 118789603435 142547524122 237579206870 261337127557 285095048244 356368810305 475158413740 522674255114 712737620610 784011382671 1045348510228 1306685637785 1425475241220 1568022765342 2613371275570 3136045530684 3920056913355 5226742551140 7840113826710 15680227653420