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2138032245 = 35200371161
BaseRepresentation
bin111111101101111…
…1100100001110101
312112000002021212110
41333123330201311
513334314012440
6552053241233
7103660655106
oct17733744165
95460067773
102138032245
119a79552a8
124b8033219
13280c45b4b
14163d4a3ad
15c7a7b080
hex7f6fc875

2138032245 has 16 divisors (see below), whose sum is σ = 3422607552. Its totient is φ = 1139698560.

The previous prime is 2138032231. The next prime is 2138032261. The reversal of 2138032245 is 5422308312.

It is not a de Polignac number, because 2138032245 - 25 = 2138032213 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5536 + ... + 65625.

It is an arithmetic number, because the mean of its divisors is an integer number (213912972).

Almost surely, 22138032245 is an apocalyptic number.

It is an amenable number.

2138032245 is a deficient number, since it is larger than the sum of its proper divisors (1284575307).

2138032245 is a wasteful number, since it uses less digits than its factorization.

2138032245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73172.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 2138032245 is about 46238.8607666755. The cubic root of 2138032245 is about 1288.2636424949.

The spelling of 2138032245 in words is "two billion, one hundred thirty-eight million, thirty-two thousand, two hundred forty-five".

Divisors: 1 3 5 15 2003 6009 10015 30045 71161 213483 355805 1067415 142535483 427606449 712677415 2138032245