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2197136212 = 221928909687
BaseRepresentation
bin1000001011110101…
…1010001101010100
312200010022002021021
42002331122031110
513444431324322
61002004130524
7105306230635
oct20275321524
95603262237
102197136212
11a28253a57
12513996a44
1329026accb
1416bb3388c
15ccd534c7
hex82f5a354

2197136212 has 12 divisors (see below), whose sum is σ = 4047356320. Its totient is φ = 1040748696.

The previous prime is 2197136173. The next prime is 2197136273. The reversal of 2197136212 is 2126317912.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14454768 + ... + 14454919.

Almost surely, 22197136212 is an apocalyptic number.

It is an amenable number.

2197136212 is a deficient number, since it is larger than the sum of its proper divisors (1850220108).

2197136212 is a wasteful number, since it uses less digits than its factorization.

2197136212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28909710 (or 28909708 counting only the distinct ones).

The product of its digits is 9072, while the sum is 34.

The square root of 2197136212 is about 46873.6195743405. The cubic root of 2197136212 is about 1300.0268657170.

The spelling of 2197136212 in words is "two billion, one hundred ninety-seven million, one hundred thirty-six thousand, two hundred twelve".

Divisors: 1 2 4 19 38 76 28909687 57819374 115638748 549284053 1098568106 2197136212