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2902126989 = 353136113411
BaseRepresentation
bin1010110011111010…
…1111000110001101
321111020212022210210
42230332233012031
521420421030424
61155550353033
7131626446426
oct25476570615
97436768723
102902126989
11125a1a1a63
1268babb779
13373336c08
141d760a64d
1511ebae729
hexacfaf18d

2902126989 has 16 divisors (see below), whose sum is σ = 3945703104. Its totient is φ = 1896710400.

The previous prime is 2902126979. The next prime is 2902126999. The reversal of 2902126989 is 9896212092.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2902126979) and next prime (2902126999).

It is not a de Polignac number, because 2902126989 - 25 = 2902126957 is a prime.

It is a super-2 number, since 2×29021269892 = 16844682120564412242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2902126939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209694 + ... + 223104.

It is an arithmetic number, because the mean of its divisors is an integer number (246606444).

Almost surely, 22902126989 is an apocalyptic number.

It is an amenable number.

2902126989 is a deficient number, since it is larger than the sum of its proper divisors (1043576115).

2902126989 is a wasteful number, since it uses less digits than its factorization.

2902126989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14828.

The product of its (nonzero) digits is 279936, while the sum is 48.

The square root of 2902126989 is about 53871.3930486302. The cubic root of 2902126989 is about 1426.3917031003.

The spelling of 2902126989 in words is "two billion, nine hundred two million, one hundred twenty-six thousand, nine hundred eighty-nine".

Divisors: 1 3 53 159 1361 4083 13411 40233 72133 216399 710783 2132349 18252371 54757113 967375663 2902126989