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2012400152 = 23744381119
BaseRepresentation
bin111011111110010…
…1100101000011000
312012020200112000222
41313330230220120
513110133301102
6531404415212
7100604055560
oct16774545030
95166615028
102012400152
11942a47024
12481b47508
13260bc9529
141513a5da0
15bba11aa2
hex77f2ca18

2012400152 has 32 divisors (see below), whose sum is σ = 4322073600. Its totient is φ = 860499744.

The previous prime is 2012400139. The next prime is 2012400167. The reversal of 2012400152 is 2510042102.

It is a self number, because there is not a number n which added to its sum of digits gives 2012400152.

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, 15752 + ... + 65367.

It is an arithmetic number, because the mean of its divisors is an integer number (135064800).

Almost surely, 22012400152 is an apocalyptic number.

It is an amenable number.

2012400152 is an abundant number, since it is smaller than the sum of its proper divisors (2309673448).

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

2012400152 is a wasteful number, since it uses less digits than its factorization.

2012400152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81575 (or 81571 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 2012400152 is about 44859.7832362128. The cubic root of 2012400152 is about 1262.5195557145.

Adding to 2012400152 its reverse (2510042102), we get a palindrome (4522442254).

The spelling of 2012400152 in words is "two billion, twelve million, four hundred thousand, one hundred fifty-two".

Divisors: 1 2 4 7 8 14 28 56 443 886 1772 3101 3544 6202 12404 24808 81119 162238 324476 567833 648952 1135666 2271332 4542664 35935717 71871434 143742868 251550019 287485736 503100038 1006200076 2012400152