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2068388051 = 191371495333
BaseRepresentation
bin111101101001001…
…0001100011010011
312100011000222222212
41323102101203103
513214001404201
6541124422335
7102154002602
oct17322214323
95304028885
102068388051
11971607614
124988479ab
1326c6a0272
141589bba39
15c18c0abb
hex7b4918d3

2068388051 has 16 divisors (see below), whose sum is σ = 2208276000. Its totient is φ = 1931804928.

The previous prime is 2068388029. The next prime is 2068388093. The reversal of 2068388051 is 1508838602.

It is a cyclic number.

It is not a de Polignac number, because 2068388051 - 26 = 2068387987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2068384051) 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, 385181 + ... + 390513.

It is an arithmetic number, because the mean of its divisors is an integer number (138017250).

Almost surely, 22068388051 is an apocalyptic number.

2068388051 is a deficient number, since it is larger than the sum of its proper divisors (139887949).

2068388051 is a wasteful number, since it uses less digits than its factorization.

2068388051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5638.

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 2068388051 is about 45479.5344193408. The cubic root of 2068388051 is about 1274.1209988609.

The spelling of 2068388051 in words is "two billion, sixty-eight million, three hundred eighty-eight thousand, fifty-one".

Divisors: 1 19 137 149 2603 2831 5333 20413 101327 387847 730621 794617 13881799 15097723 108862529 2068388051