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7745648052 = 2231737968863
BaseRepresentation
bin1110011011010110…
…10011010110110100
3201222210210200121210
413031223103112310
5111330341214202
63320332041420
7362641631202
oct71553232664
921883720553
107745648052
11331524202a
121602003270
139659388cc
145369b8072
15305006c6c
hex1cdad35b4

7745648052 has 24 divisors (see below), whose sum is σ = 19136307456. Its totient is φ = 2430007168.

The previous prime is 7745648039. The next prime is 7745648123. The reversal of 7745648052 is 2508465477.

It is a junction number, because it is equal to n+sod(n) for n = 7745647992 and 7745648010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18984228 + ... + 18984635.

It is an arithmetic number, because the mean of its divisors is an integer number (797346144).

Almost surely, 27745648052 is an apocalyptic number.

It is an amenable number.

7745648052 is an abundant number, since it is smaller than the sum of its proper divisors (11390659404).

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

7745648052 is a wasteful number, since it uses less digits than its factorization.

7745648052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37968887 (or 37968885 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 48.

The square root of 7745648052 is about 88009.3634336711. The cubic root of 7745648052 is about 1978.5753153009.

The spelling of 7745648052 in words is "seven billion, seven hundred forty-five million, six hundred forty-eight thousand, fifty-two".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 37968863 75937726 113906589 151875452 227813178 455626356 645470671 1290941342 1936412013 2581882684 3872824026 7745648052