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2130431043 = 31354626437
BaseRepresentation
bin111111011111011…
…1100110001000011
312111110210002222110
41332332330301003
513330342243133
6551222310403
7103536236136
oct17676746103
95443702873
102130431043
119a3633414
124b5588403
1327c4b40b0
14162d2c21d
15c7078c63
hex7efbcc43

2130431043 has 8 divisors (see below), whose sum is σ = 3059080528. Its totient is φ = 1311034464.

The previous prime is 2130431033. The next prime is 2130431047. The reversal of 2130431043 is 3401340312.

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

It is a de Polignac number, because none of the positive numbers 2k-2130431043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2130431047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27313180 + ... + 27313257.

It is an arithmetic number, because the mean of its divisors is an integer number (382385066).

Almost surely, 22130431043 is an apocalyptic number.

2130431043 is a deficient number, since it is larger than the sum of its proper divisors (928649485).

2130431043 is a wasteful number, since it uses less digits than its factorization.

2130431043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54626453.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2130431043 is about 46156.5926277060. The cubic root of 2130431043 is about 1286.7351373518.

Adding to 2130431043 its reverse (3401340312), we get a palindrome (5531771355).

The spelling of 2130431043 in words is "two billion, one hundred thirty million, four hundred thirty-one thousand, forty-three".

Divisors: 1 3 13 39 54626437 163879311 710143681 2130431043