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2013247038 = 2311131232853
BaseRepresentation
bin111011111111111…
…1011011000111110
312012022021112202010
41313333323120332
513110342401123
6531434512050
7100614213615
oct16777733076
95168245663
102013247038
11943475330
12482295626
13261134b4a
1415154687c
15bbb2c993
hex77ffb63e

2013247038 has 32 divisors (see below), whose sum is σ = 4426088832. Its totient is φ = 605415200.

The previous prime is 2013247037. The next prime is 2013247069. The reversal of 2013247038 is 8307423102.

It is a junction number, because it is equal to n+sod(n) for n = 2013246996 and 2013247014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013247037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107781 + ... + 125072.

It is an arithmetic number, because the mean of its divisors is an integer number (138315276).

Almost surely, 22013247038 is an apocalyptic number.

2013247038 is an abundant number, since it is smaller than the sum of its proper divisors (2412841794).

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

2013247038 is a wasteful number, since it uses less digits than its factorization.

2013247038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233000.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 2013247038 is about 44869.2214998210. The cubic root of 2013247038 is about 1262.6966345100.

The spelling of 2013247038 in words is "two billion, thirteen million, two hundred forty-seven thousand, thirty-eight".

Divisors: 1 2 3 6 11 22 33 66 131 262 393 786 1441 2882 4323 8646 232853 465706 698559 1397118 2561383 5122766 7684149 15368298 30503743 61007486 91511229 183022458 335541173 671082346 1006623519 2013247038