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1213480296 = 2332721943421
BaseRepresentation
bin100100001010100…
…0011110101101000
310010120101012000200
41020111003311220
54441122332141
6320225032200
742033261300
oct11025036550
93116335020
101213480296
11572a83786
1229a485660
131645341a2
14b723c600
15717eeab6
hex48543d68

1213480296 has 288 divisors, whose sum is σ = 4127666400. Its totient is φ = 320060160.

The previous prime is 1213480273. The next prime is 1213480351. The reversal of 1213480296 is 6920843121.

1213480296 is a `hidden beast` number, since 1 + 21 + 348 + 0 + 296 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1213480296.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2882166 + ... + 2882586.

It is an arithmetic number, because the mean of its divisors is an integer number (14332175).

Almost surely, 21213480296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1213480296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2063833200).

1213480296 is an abundant number, since it is smaller than the sum of its proper divisors (2914186104).

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

1213480296 is a wasteful number, since it uses less digits than its factorization.

1213480296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509 (or 495 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1213480296 is about 34835.0440792028. The cubic root of 1213480296 is about 1066.6229147853.

The spelling of 1213480296 in words is "one billion, two hundred thirteen million, four hundred eighty thousand, two hundred ninety-six".