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9004945144 = 231391819431
BaseRepresentation
bin10000110001011110…
…01000111011111000
3212020120101121110211
420120233020323320
5121420231221034
64045315120504
7436102525246
oct103057107370
925216347424
109004945144
113901069628
1218b38a3134
13b067c2110
14615d41796
1537a856d64
hex218bc8ef8

9004945144 has 32 divisors (see below), whose sum is σ = 18186971040. Its totient is φ = 4155235200.

The previous prime is 9004945133. The next prime is 9004945181. The reversal of 9004945144 is 4415494009.

9004945144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 9004945097 and 9004945106.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 950109 + ... + 959539.

It is an arithmetic number, because the mean of its divisors is an integer number (568342845).

Almost surely, 29004945144 is an apocalyptic number.

It is an amenable number.

9004945144 is an abundant number, since it is smaller than the sum of its proper divisors (9182025896).

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

9004945144 is a wasteful number, since it uses less digits than its factorization.

9004945144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18631 (or 18627 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 9004945144 is about 94894.3894231898. The cubic root of 9004945144 is about 2080.4647278903.

The spelling of 9004945144 in words is "nine billion, four million, nine hundred forty-five thousand, one hundred forty-four".

Divisors: 1 2 4 8 13 26 52 104 9181 9431 18362 18862 36724 37724 73448 75448 119353 122603 238706 245206 477412 490412 954824 980824 86586011 173172022 346344044 692688088 1125618143 2251236286 4502472572 9004945144