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22213513472 = 28194566923
BaseRepresentation
bin10100101100000001…
…110101000100000000
32010100002122101220012
4110230001311010000
5330443124412342
614112120404052
71414320514643
oct245401650400
963302571805
1022213513472
119469a494a7
12437b316628
13213015b117
14110a27da5a
158a0256b82
hex52c075100

22213513472 has 36 divisors (see below), whose sum is σ = 46673963280. Its totient is φ = 10522188288.

The previous prime is 22213513463. The next prime is 22213513489. The reversal of 22213513472 is 27431531222.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2278598 + ... + 2288325.

It is an arithmetic number, because the mean of its divisors is an integer number (1296498980).

Almost surely, 222213513472 is an apocalyptic number.

It is an amenable number.

22213513472 is an abundant number, since it is smaller than the sum of its proper divisors (24460449808).

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

22213513472 is an equidigital number, since it uses as much as digits as its factorization.

22213513472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4566958 (or 4566944 counting only the distinct ones).

The product of its digits is 20160, while the sum is 32.

The spelling of 22213513472 in words is "twenty-two billion, two hundred thirteen million, five hundred thirteen thousand, four hundred seventy-two".

Divisors: 1 2 4 8 16 19 32 38 64 76 128 152 256 304 608 1216 2432 4864 4566923 9133846 18267692 36535384 73070768 86771537 146141536 173543074 292283072 347086148 584566144 694172296 1169132288 1388344592 2776689184 5553378368 11106756736 22213513472