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22101020993 = 199271409817
BaseRepresentation
bin10100100101010100…
…101101000101000001
32010001020222012020002
4110211110231011001
5330230330132433
614053021325345
71411453402352
oct244524550501
963036865202
1022101020993
1194114a5207
124349706855
132112a6241c
1410d9359d29
158954359e8
hex52552d141

22101020993 has 8 divisors (see below), whose sum is σ = 22294099200. Its totient is φ = 21908763360.

The previous prime is 22101020971. The next prime is 22101021029. The reversal of 22101020993 is 39902010122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22101020993 - 28 = 22101020737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22101020093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150980 + ... + 258837.

It is an arithmetic number, because the mean of its divisors is an integer number (2786762400).

Almost surely, 222101020993 is an apocalyptic number.

It is an amenable number.

22101020993 is a deficient number, since it is larger than the sum of its proper divisors (193078207).

22101020993 is a wasteful number, since it uses less digits than its factorization.

22101020993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410287.

The product of its (nonzero) digits is 1944, while the sum is 29.

The spelling of 22101020993 in words is "twenty-two billion, one hundred one million, twenty thousand, nine hundred ninety-three".

Divisors: 1 199 271 53929 409817 81553583 111060407 22101020993