Search a number
-
+
2650525381788 = 223220877115149
BaseRepresentation
bin100110100100011111100…
…111111011010010011100
3100101101110200010020101220
4212210133213323102130
5321411233444204123
65345345021333340
7362331330005124
oct46443747732234
910341420106356
102650525381788
1193209952a559
12369833707250
13162c35a6259b
1492401145c84
1548e2d8bdce3
hex2691f9fb49c

2650525381788 has 12 divisors (see below), whose sum is σ = 6184559224200. Its totient is φ = 883508460592.

The previous prime is 2650525381781. The next prime is 2650525381813. The reversal of 2650525381788 is 8871835250562.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2650525381781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110438557563 + ... + 110438557586.

It is an arithmetic number, because the mean of its divisors is an integer number (515379935350).

Almost surely, 22650525381788 is an apocalyptic number.

It is an amenable number.

2650525381788 is an abundant number, since it is smaller than the sum of its proper divisors (3534033842412).

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

2650525381788 is a wasteful number, since it uses less digits than its factorization.

2650525381788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220877115156 (or 220877115154 counting only the distinct ones).

The product of its (nonzero) digits is 32256000, while the sum is 60.

The spelling of 2650525381788 in words is "two trillion, six hundred fifty billion, five hundred twenty-five million, three hundred eighty-one thousand, seven hundred eighty-eight".

Divisors: 1 2 3 4 6 12 220877115149 441754230298 662631345447 883508460596 1325262690894 2650525381788