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4312642045 = 51506157269
BaseRepresentation
bin1000000010000110…
…11011000111111101
3102010112222220201011
410001003123013331
532313014021140
61551534515221
7211604565265
oct40103330775
912115886634
104312642045
111913412888
12a04365b11
135396277ca
142cca987a5
151a392ecea
hex1010db1fd

4312642045 has 8 divisors (see below), whose sum is σ = 5175604440. Its totient is φ = 3449824320.

The previous prime is 4312642001. The next prime is 4312642049. The reversal of 4312642045 is 5402462134.

It can be written as a sum of positive squares in 4 ways, for example, as 2027610841 + 2285031204 = 45029^2 + 47802^2 .

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

It is not a de Polignac number, because 4312642045 - 221 = 4310544893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4312641998 and 4312642016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4312642049) 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, 46671 + ... + 103939.

It is an arithmetic number, because the mean of its divisors is an integer number (646950555).

Almost surely, 24312642045 is an apocalyptic number.

It is an amenable number.

4312642045 is a deficient number, since it is larger than the sum of its proper divisors (862962395).

4312642045 is a wasteful number, since it uses less digits than its factorization.

4312642045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72335.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 4312642045 is about 65670.7091860595. The cubic root of 4312642045 is about 1627.7253888131.

The spelling of 4312642045 in words is "four billion, three hundred twelve million, six hundred forty-two thousand, forty-five".

Divisors: 1 5 15061 57269 75305 286345 862528409 4312642045