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2149882251 = 31165147947
BaseRepresentation
bin1000000000100100…
…1001100110001011
312112211101100000120
42000021021212023
513400332213001
6553155234323
7104163461166
oct20011114613
95484340016
102149882251
11a036093a0
124bbba89a3
1328353479a
14165752add
15c8b1c236
hex8024998b

2149882251 has 8 divisors (see below), whose sum is σ = 3127101504. Its totient is φ = 1302958920.

The previous prime is 2149882247. The next prime is 2149882253. The reversal of 2149882251 is 1522889412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2149882251 - 22 = 2149882247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2149882253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32573941 + ... + 32574006.

It is an arithmetic number, because the mean of its divisors is an integer number (390887688).

Almost surely, 22149882251 is an apocalyptic number.

2149882251 is a deficient number, since it is larger than the sum of its proper divisors (977219253).

2149882251 is a wasteful number, since it uses less digits than its factorization.

2149882251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65147961.

The product of its digits is 92160, while the sum is 42.

The square root of 2149882251 is about 46366.8227399722. The cubic root of 2149882251 is about 1290.6393183426.

The spelling of 2149882251 in words is "two billion, one hundred forty-nine million, eight hundred eighty-two thousand, two hundred fifty-one".

Divisors: 1 3 11 33 65147947 195443841 716627417 2149882251