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2648086680 = 233541732101
BaseRepresentation
bin1001110111010110…
…1001100010011000
320211112211202000110
42131311221202120
520410402233210
61114433404320
7122423236221
oct23565514230
96745752013
102648086680
111139859798
1261aa096a0
1333280b4c5
141b199c248
1510772d420
hex9dd69898

2648086680 has 192 divisors, whose sum is σ = 8332722720. Its totient is φ = 672768000.

The previous prime is 2648086663. The next prime is 2648086699. The reversal of 2648086680 is 866808462.

It is a happy number.

2648086680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26218630 + ... + 26218730.

Almost surely, 22648086680 is an apocalyptic number.

2648086680 is a gapful number since it is divisible by the number (20) 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 2648086680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4166361360).

2648086680 is an abundant number, since it is smaller than the sum of its proper divisors (5684636040).

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

2648086680 is a wasteful number, since it uses less digits than its factorization.

2648086680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 48.

The square root of 2648086680 is about 51459.5635426497. The cubic root of 2648086680 is about 1383.4943788248.

The spelling of 2648086680 in words is "two billion, six hundred forty-eight million, eighty-six thousand, six hundred eighty".