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2630256512 = 27132121591
BaseRepresentation
bin1001110011000110…
…1000011110000000
320210022021212121212
42130301220132000
520341321202022
61112555305252
7122115545222
oct23461503600
96708255555
102630256512
11112a790714
12614a4b228
1332bc07900
141ad47a412
15105daa3e2
hex9cc68780

2630256512 has 48 divisors (see below), whose sum is σ = 5674090680. Its totient is φ = 1213954560.

The previous prime is 2630256511. The next prime is 2630256523. The reversal of 2630256512 is 2156520362.

It is a super-2 number, since 2×26302565122 = 13836498637836812288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2630256511) 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 5 ways as a sum of consecutive naturals, for example, 39164 + ... + 82427.

Almost surely, 22630256512 is an apocalyptic number.

It is an amenable number.

2630256512 is an abundant number, since it is smaller than the sum of its proper divisors (3043834168).

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

2630256512 is a wasteful number, since it uses less digits than its factorization.

2630256512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121631 (or 121606 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 2630256512 is about 51286.0264789543. The cubic root of 2630256512 is about 1380.3822563551.

Adding to 2630256512 its reverse (2156520362), we get a palindrome (4786776874).

The spelling of 2630256512 in words is "two billion, six hundred thirty million, two hundred fifty-six thousand, five hundred twelve".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 128 169 208 338 416 676 832 1352 1664 2704 5408 10816 21632 121591 243182 486364 972728 1580683 1945456 3161366 3890912 6322732 7781824 12645464 15563648 20548879 25290928 41097758 50581856 82195516 101163712 164391032 202327424 328782064 657564128 1315128256 2630256512