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7138159212 = 2234297138433
BaseRepresentation
bin1101010010111011…
…11010101001101100
3200102110201001121010
412221131322221230
5104104332043322
63140151305220
7341614231542
oct65135725154
920373631533
107138159212
113033339738
12147267b210
13899b1a462
144ba041d92
152bba0a20c
hex1a977aa6c

7138159212 has 24 divisors (see below), whose sum is σ = 16659701296. Its totient is φ = 2378815488.

The previous prime is 7138159207. The next prime is 7138159213. The reversal of 7138159212 is 2129518317.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (7138159213) 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 7 ways as a sum of consecutive naturals, for example, 17653 + ... + 120780.

Almost surely, 27138159212 is an apocalyptic number.

It is an amenable number.

7138159212 is an abundant number, since it is smaller than the sum of its proper divisors (9521542084).

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

7138159212 is a wasteful number, since it uses less digits than its factorization.

7138159212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142737 (or 142735 counting only the distinct ones).

The product of its digits is 30240, while the sum is 39.

The square root of 7138159212 is about 84487.6275675912. The cubic root of 7138159212 is about 1925.4344743269.

The spelling of 7138159212 in words is "seven billion, one hundred thirty-eight million, one hundred fifty-nine thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 4297 8594 12891 17188 25782 51564 138433 276866 415299 553732 830598 1661196 594846601 1189693202 1784539803 2379386404 3569079606 7138159212