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2245256551 = 79113251513
BaseRepresentation
bin1000010111010011…
…1110010101100111
312210110211211222001
42011310332111213
514044241202201
61010443350131
7106432236316
oct20564762547
95713754861
102245256551
11a5243052a
12527b22347
1329a218995
1417429c27d
15d21ab301
hex85d3e567

2245256551 has 8 divisors (see below), whose sum is σ = 2293807680. Its totient is φ = 2197208832.

The previous prime is 2245256549. The next prime is 2245256579. The reversal of 2245256551 is 1556525422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2245256551 - 21 = 2245256549 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2245256551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2245256591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116830 + ... + 134683.

It is an arithmetic number, because the mean of its divisors is an integer number (286725960).

Almost surely, 22245256551 is an apocalyptic number.

2245256551 is a deficient number, since it is larger than the sum of its proper divisors (48551129).

2245256551 is a wasteful number, since it uses less digits than its factorization.

2245256551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251705.

The product of its digits is 120000, while the sum is 37.

The square root of 2245256551 is about 47384.1381793528. The cubic root of 2245256551 is about 1309.4492082662.

It can be divided in two parts, 22452 and 56551, that added together give a triangular number (79003 = T397).

The spelling of 2245256551 in words is "two billion, two hundred forty-five million, two hundred fifty-six thousand, five hundred fifty-one".

Divisors: 1 79 113 8927 251513 19869527 28420969 2245256551