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2131435554 = 2317165712611
BaseRepresentation
bin111111100001011…
…0010000000100010
312111112200010220120
41333002302000202
513331121414204
6551300021110
7103550621553
oct17702620042
95445603816
102131435554
119a415a096
124b5991796
1327c776391
1416311032a
15c71c66d9
hex7f0b2022

2131435554 has 32 divisors (see below), whose sum is σ = 4516710336. Its totient is φ = 668229120.

The previous prime is 2131435543. The next prime is 2131435573. The reversal of 2131435554 is 4555341312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162709 + ... + 175319.

It is an arithmetic number, because the mean of its divisors is an integer number (141147198).

Almost surely, 22131435554 is an apocalyptic number.

2131435554 is an abundant number, since it is smaller than the sum of its proper divisors (2385274782).

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

2131435554 is a wasteful number, since it uses less digits than its factorization.

2131435554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14290.

The product of its digits is 36000, while the sum is 33.

The square root of 2131435554 is about 46167.4729003007. The cubic root of 2131435554 is about 1286.9373400172.

Adding to 2131435554 its reverse (4555341312), we get a palindrome (6686776866).

The spelling of 2131435554 in words is "two billion, one hundred thirty-one million, four hundred thirty-five thousand, five hundred fifty-four".

Divisors: 1 2 3 6 17 34 51 102 1657 3314 4971 9942 12611 25222 28169 37833 56338 75666 84507 169014 214387 428774 643161 1286322 20896427 41792854 62689281 125378562 355239259 710478518 1065717777 2131435554