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2125553412 = 223712494781
BaseRepresentation
bin111111010110001…
…0101111100000100
312111010121022010110
41332230111330010
513323120202122
6550525553020
7103446622503
oct17654257404
95433538113
102125553412
119a0901814
124b3a15770
1327b496c18
1416241c83a
15c691390c
hex7eb15f04

2125553412 has 24 divisors (see below), whose sum is σ = 5029480512. Its totient is φ = 698538400.

The previous prime is 2125553387. The next prime is 2125553413. The reversal of 2125553412 is 2143555212.

It is a self number, because there is not a number n which added to its sum of digits gives 2125553412.

It is not an unprimeable number, because it can be changed into a prime (2125553413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1246539 + ... + 1248242.

It is an arithmetic number, because the mean of its divisors is an integer number (209561688).

Almost surely, 22125553412 is an apocalyptic number.

It is an amenable number.

2125553412 is an abundant number, since it is smaller than the sum of its proper divisors (2903927100).

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

2125553412 is a wasteful number, since it uses less digits than its factorization.

2125553412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2494859 (or 2494857 counting only the distinct ones).

The product of its digits is 12000, while the sum is 30.

The square root of 2125553412 is about 46103.7244916287. The cubic root of 2125553412 is about 1285.7523917665.

The spelling of 2125553412 in words is "two billion, one hundred twenty-five million, five hundred fifty-three thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 71 142 213 284 426 852 2494781 4989562 7484343 9979124 14968686 29937372 177129451 354258902 531388353 708517804 1062776706 2125553412