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22191440083 = 23964845221
BaseRepresentation
bin10100101010101101…
…101000000011010011
32010021120002221220021
4110222231220003103
5330422002040313
614110011324311
71413632062021
oct245255500323
963246087807
1022191440083
11945854242a
124373a50697
132128700047
141107375711
1589d34678d
hex52ab680d3

22191440083 has 4 divisors (see below), whose sum is σ = 23156285328. Its totient is φ = 21226594840.

The previous prime is 22191440081. The next prime is 22191440099. The reversal of 22191440083 is 38004419122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22191440083 - 21 = 22191440081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22191440081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 482422588 + ... + 482422633.

It is an arithmetic number, because the mean of its divisors is an integer number (5789071332).

Almost surely, 222191440083 is an apocalyptic number.

22191440083 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22191440083 is a deficient number, since it is larger than the sum of its proper divisors (964845245).

22191440083 is an equidigital number, since it uses as much as digits as its factorization.

22191440083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964845244.

The product of its (nonzero) digits is 13824, while the sum is 34.

The spelling of 22191440083 in words is "twenty-two billion, one hundred ninety-one million, four hundred forty thousand, eighty-three".

Divisors: 1 23 964845221 22191440083