Search a number
-
+
12211002192 = 243793220201
BaseRepresentation
bin10110101111101010…
…10001101101010000
31011112000011011221110
423113311101231100
5200002004032232
65335404053320
7611412543324
oct132765215520
934460134843
1012211002192
1151a6879754
122449534240
1311c7aa18ac
1483ba65984
154b704eacc
hex2d7d51b50

12211002192 has 40 divisors (see below), whose sum is σ = 31944403840. Its totient is φ = 4018809600.

The previous prime is 12211002169. The next prime is 12211002263. The reversal of 12211002192 is 29120011221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1606309 + ... + 1613892.

It is an arithmetic number, because the mean of its divisors is an integer number (798610096).

Almost surely, 212211002192 is an apocalyptic number.

12211002192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12211002192 is an abundant number, since it is smaller than the sum of its proper divisors (19733401648).

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

12211002192 is a wasteful number, since it uses less digits than its factorization.

12211002192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3220291 (or 3220285 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 12211002192 in words is "twelve billion, two hundred eleven million, two thousand, one hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 79 158 237 316 474 632 948 1264 1896 3792 3220201 6440402 9660603 12880804 19321206 25761608 38642412 51523216 77284824 154569648 254395879 508791758 763187637 1017583516 1526375274 2035167032 3052750548 4070334064 6105501096 12211002192