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2192909992 = 237133197169
BaseRepresentation
bin1000001010110101…
…0010011010101000
312122211100100222121
42002231102122220
513442341104432
61001333401024
7105225266410
oct20255223250
95584310877
102192909992
11a25927809
12512499174
1328c41b4a0
1416b353640
15cc7bb197
hex82b526a8

2192909992 has 64 divisors (see below), whose sum is σ = 5223859200. Its totient is φ = 839531520.

The previous prime is 2192909989. The next prime is 2192909993. The reversal of 2192909992 is 2999092912.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (2192909993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26017 + ... + 71152.

It is an arithmetic number, because the mean of its divisors is an integer number (81622800).

Almost surely, 22192909992 is an apocalyptic number.

It is an amenable number.

2192909992 is an abundant number, since it is smaller than the sum of its proper divisors (3030949208).

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

2192909992 is a wasteful number, since it uses less digits than its factorization.

2192909992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97226 (or 97222 counting only the distinct ones).

The product of its (nonzero) digits is 472392, while the sum is 52.

The square root of 2192909992 is about 46828.5168673961. The cubic root of 2192909992 is about 1299.1927911914.

The spelling of 2192909992 in words is "two billion, one hundred ninety-two million, nine hundred nine thousand, nine hundred ninety-two".

Divisors: 1 2 4 7 8 13 14 26 28 31 52 56 62 91 104 124 182 217 248 364 403 434 728 806 868 1612 1736 2821 3224 5642 11284 22568 97169 194338 388676 680183 777352 1263197 1360366 2526394 2720732 3012239 5052788 5441464 6024478 8842379 10105576 12048956 17684758 21085673 24097912 35369516 39159107 42171346 70739032 78318214 84342692 156636428 168685384 274113749 313272856 548227498 1096454996 2192909992