Search a number
-
+
2690122146 = 23977436221
BaseRepresentation
bin1010000001011000…
…0000000110100010
320221110221100211120
42200112000012202
521002132402041
61122534353110
7123443442465
oct24026000642
96843840746
102690122146
11116055a648
12630abb796
1333b43866a
141b73c12dc
1510b283366
hexa05801a2

2690122146 has 32 divisors (see below), whose sum is σ = 5443901568. Its totient is φ = 886126080.

The previous prime is 2690122133. The next prime is 2690122181. The reversal of 2690122146 is 6412210962.

It is a Curzon 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, 429316 + ... + 435536.

It is an arithmetic number, because the mean of its divisors is an integer number (170121924).

Almost surely, 22690122146 is an apocalyptic number.

2690122146 is an abundant number, since it is smaller than the sum of its proper divisors (2753779422).

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

2690122146 is a wasteful number, since it uses less digits than its factorization.

2690122146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7066.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 2690122146 is about 51866.3874392655. The cubic root of 2690122146 is about 1390.7764662698.

The spelling of 2690122146 in words is "two billion, six hundred ninety million, one hundred twenty-two thousand, one hundred forty-six".

Divisors: 1 2 3 6 97 194 291 582 743 1486 2229 4458 6221 12442 18663 37326 72071 144142 216213 432426 603437 1206874 1810311 3620622 4622203 9244406 13866609 27733218 448353691 896707382 1345061073 2690122146