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2040185142 = 232711596389
BaseRepresentation
bin111100110011010…
…1100000100110110
312021011222010212200
41321212230010312
513134241411032
6534240125330
7101362200432
oct17146540466
95234863780
102040185142
119576a4326
1248b306846
132668a7258
14154d599c2
15be19e47c
hex799ac136

2040185142 has 24 divisors (see below), whose sum is σ = 4482663120. Its totient is φ = 670482960.

The previous prime is 2040185137. The next prime is 2040185159. The reversal of 2040185142 is 2415810402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 796917 + ... + 799472.

It is an arithmetic number, because the mean of its divisors is an integer number (186777630).

Almost surely, 22040185142 is an apocalyptic number.

2040185142 is an abundant number, since it is smaller than the sum of its proper divisors (2442477978).

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

2040185142 is a wasteful number, since it uses less digits than its factorization.

2040185142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596468 (or 1596465 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 2040185142 is about 45168.4086724339. The cubic root of 2040185142 is about 1268.3035074237.

Adding to 2040185142 its reverse (2415810402), we get a palindrome (4455995544).

The spelling of 2040185142 in words is "two billion, forty million, one hundred eighty-five thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 71 142 213 426 639 1278 1596389 3192778 4789167 9578334 14367501 28735002 113343619 226687238 340030857 680061714 1020092571 2040185142