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4678656372 = 2232139997129
BaseRepresentation
bin1000101101101111…
…01010000101110100
3110002001201100222100
410112313222011310
534040214000442
62052131502100
7223640631405
oct42667520564
913061640870
104678656372
111a90a85865
12aa6a57930
135973c9c30
143255339ac
151c5b2d84c
hex116dea174

4678656372 has 36 divisors (see below), whose sum is σ = 12736343620. Its totient is φ = 1439586432.

The previous prime is 4678656347. The next prime is 4678656373. The reversal of 4678656372 is 2736568764.

4678656372 is a `hidden beast` number, since 4 + 6 + 7 + 8 + 6 + 563 + 72 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1221921936 + 3456734436 = 34956^2 + 58794^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4678656373) 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 11 ways as a sum of consecutive naturals, for example, 4998097 + ... + 4999032.

Almost surely, 24678656372 is an apocalyptic number.

It is an amenable number.

4678656372 is an abundant number, since it is smaller than the sum of its proper divisors (8057687248).

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

4678656372 is a wasteful number, since it uses less digits than its factorization.

4678656372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9997152 (or 9997147 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 54.

The square root of 4678656372 is about 68400.7044700564. The cubic root of 4678656372 is about 1672.5292297840.

The spelling of 4678656372 in words is "four billion, six hundred seventy-eight million, six hundred fifty-six thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 234 468 9997129 19994258 29991387 39988516 59982774 89974161 119965548 129962677 179948322 259925354 359896644 389888031 519850708 779776062 1169664093 1559552124 2339328186 4678656372