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2040130044 = 223318890093
BaseRepresentation
bin111100110011001…
…1110100111111100
312021011212100022000
41321212132213330
513134233130134
6534235022300
7101361551001
oct17146364774
95234770260
102040130044
11957666997
1248b29a990
13266888154
14154d438a8
15be18ce99
hex7999e9fc

2040130044 has 24 divisors (see below), whose sum is σ = 5289226320. Its totient is φ = 680043312.

The previous prime is 2040130031. The next prime is 2040130069. The reversal of 2040130044 is 4400310402.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2040129999 and 2040130026.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9444939 + ... + 9445154.

It is an arithmetic number, because the mean of its divisors is an integer number (220384430).

Almost surely, 22040130044 is an apocalyptic number.

It is an amenable number.

2040130044 is an abundant number, since it is smaller than the sum of its proper divisors (3249096276).

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

2040130044 is a wasteful number, since it uses less digits than its factorization.

2040130044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18890106 (or 18890098 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2040130044 is about 45167.7987508800. The cubic root of 2040130044 is about 1268.2920898952.

Adding to 2040130044 its reverse (4400310402), we get a palindrome (6440440446).

The spelling of 2040130044 in words is "two billion, forty million, one hundred thirty thousand, forty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 18890093 37780186 56670279 75560372 113340558 170010837 226681116 340021674 510032511 680043348 1020065022 2040130044