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4023131145 = 351147518779
BaseRepresentation
bin1110111111001100…
…0001110000001001
3101101101020020102020
43233303001300021
531214410144040
61503113355053
7201461023215
oct35763016011
911341206366
104023131145
111784a52a80
12943408a89
134c1660097
142a2455945
151882e3cd0
hexefcc1c09

4023131145 has 32 divisors (see below), whose sum is σ = 7171614720. Its totient is φ = 1909103040.

The previous prime is 4023131131. The next prime is 4023131171. The reversal of 4023131145 is 5411313204.

It is a happy number.

4023131145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4023131145 - 27 = 4023131017 is a prime.

It is a super-2 number, since 2×40231311452 = 32371168419738022050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 251635 + ... + 267144.

It is an arithmetic number, because the mean of its divisors is an integer number (224112960).

Almost surely, 24023131145 is an apocalyptic number.

It is an amenable number.

4023131145 is a deficient number, since it is larger than the sum of its proper divisors (3148483575).

4023131145 is a wasteful number, since it uses less digits than its factorization.

4023131145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518845.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 4023131145 is about 63428.1573514476. The cubic root of 4023131145 is about 1590.4550396509.

Adding to 4023131145 its reverse (5411313204), we get a palindrome (9434444349).

The spelling of 4023131145 in words is "four billion, twenty-three million, one hundred thirty-one thousand, one hundred forty-five".

Divisors: 1 3 5 11 15 33 47 55 141 165 235 517 705 1551 2585 7755 518779 1556337 2593895 5706569 7781685 17119707 24382613 28532845 73147839 85598535 121913065 268208743 365739195 804626229 1341043715 4023131145