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2193969372 = 223726118683
BaseRepresentation
bin1000001011000101…
…0101000011011100
312122220100012011220
42002301111003130
513443124004442
61001412213340
7105240301110
oct20261250334
95586305156
102193969372
11a26490731
1251290a250
1328c6cc73a
1416b54b740
15cc929eec
hex82c550dc

2193969372 has 24 divisors (see below), whose sum is σ = 5850585216. Its totient is φ = 626848368.

The previous prime is 2193969343. The next prime is 2193969389. The reversal of 2193969372 is 2739693912.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13059258 + ... + 13059425.

It is an arithmetic number, because the mean of its divisors is an integer number (243774384).

Almost surely, 22193969372 is an apocalyptic number.

It is an amenable number.

2193969372 is an abundant number, since it is smaller than the sum of its proper divisors (3656615844).

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

2193969372 is a wasteful number, since it uses less digits than its factorization.

2193969372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26118697 (or 26118695 counting only the distinct ones).

The product of its digits is 1102248, while the sum is 51.

The square root of 2193969372 is about 46839.8267716694. The cubic root of 2193969372 is about 1299.4019679307.

The spelling of 2193969372 in words is "two billion, one hundred ninety-three million, nine hundred sixty-nine thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 26118683 52237366 78356049 104474732 156712098 182830781 313424196 365661562 548492343 731323124 1096984686 2193969372