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7212114999 = 323721658003
BaseRepresentation
bin1101011011110000…
…00010010000110111
3200121121212101212100
412231320002100313
5104232300134444
63151352353143
7343502652225
oct65570022067
920547771770
107212114999
113071061821
1214933a57b3
138ac24268b
144c5bb3b15
152c3267e69
hex1ade02437

7212114999 has 12 divisors (see below), whose sum is σ = 10699053976. Its totient is φ = 4678128432.

The previous prime is 7212114953. The next prime is 7212115069. The reversal of 7212114999 is 9994112127.

It is a happy number.

It is not a de Polignac number, because 7212114999 - 28 = 7212114743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7212114919) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10828669 + ... + 10829334.

Almost surely, 27212114999 is an apocalyptic number.

7212114999 is a deficient number, since it is larger than the sum of its proper divisors (3486938977).

7212114999 is a wasteful number, since it uses less digits than its factorization.

7212114999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21658046 (or 21658043 counting only the distinct ones).

The product of its digits is 81648, while the sum is 45.

The square root of 7212114999 is about 84924.1720536621. The cubic root of 7212114999 is about 1932.0612088873.

The spelling of 7212114999 in words is "seven billion, two hundred twelve million, one hundred fourteen thousand, nine hundred ninety-nine".

Divisors: 1 3 9 37 111 333 21658003 64974009 194922027 801346111 2404038333 7212114999