Search a number
-
+
2651152540 = 225132557627
BaseRepresentation
bin1001111000000101…
…0110000010011100
320211202121111120211
42132001112002130
520412143340130
61115023222204
7122461265461
oct23601260234
96752544524
102651152540
111140563163
1261ba47964
13333342b1a
141b2159668
15107b36a2a
hex9e05609c

2651152540 has 12 divisors (see below), whose sum is σ = 5567420376. Its totient is φ = 1060461008.

The previous prime is 2651152507. The next prime is 2651152541. The reversal of 2651152540 is 452511562.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2651152541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66278794 + ... + 66278833.

It is an arithmetic number, because the mean of its divisors is an integer number (463951698).

Almost surely, 22651152540 is an apocalyptic number.

2651152540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2651152540 is an abundant number, since it is smaller than the sum of its proper divisors (2916267836).

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

2651152540 is a wasteful number, since it uses less digits than its factorization.

2651152540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132557636 (or 132557634 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 2651152540 is about 51489.3439461021. The cubic root of 2651152540 is about 1384.0280930012.

The spelling of 2651152540 in words is "two billion, six hundred fifty-one million, one hundred fifty-two thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 132557627 265115254 530230508 662788135 1325576270 2651152540