Search a number
-
+
8122106646 = 232451228147
BaseRepresentation
bin1111001000001110…
…11000001100010110
3202222001011202201200
413210013120030112
5113113224403041
63421540533330
7405162524133
oct74407301426
922861152650
108122106646
113498798a35
1216a80b1246
139c5926b84
145709b158a
153280ba1b6
hex1e41d8316

8122106646 has 12 divisors (see below), whose sum is σ = 17597897772. Its totient is φ = 2707368876.

The previous prime is 8122106639. The next prime is 8122106659. The reversal of 8122106646 is 6466012218.

8122106646 is a `hidden beast` number, since 8 + 1 + 2 + 2 + 1 + 0 + 6 + 646 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 8122106646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 225614056 + ... + 225614091.

It is an arithmetic number, because the mean of its divisors is an integer number (1466491481).

Almost surely, 28122106646 is an apocalyptic number.

8122106646 is an abundant number, since it is smaller than the sum of its proper divisors (9475791126).

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

8122106646 is a wasteful number, since it uses less digits than its factorization.

8122106646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451228155 (or 451228152 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 8122106646 is about 90122.7310172079. The cubic root of 8122106646 is about 2010.1242174662.

The spelling of 8122106646 in words is "eight billion, one hundred twenty-two million, one hundred six thousand, six hundred forty-six".

Divisors: 1 2 3 6 9 18 451228147 902456294 1353684441 2707368882 4061053323 8122106646