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10221001123 = 47498743607
BaseRepresentation
bin10011000010011100…
…00001100110100011
3222101022121122200011
421201032001212203
5131413034013443
64410115305351
7511200035044
oct114116014643
928338548604
1010221001123
114375541473
121b92bab257
13c6b718778
146cd6508cb
153ec4b4b9d
hex2613819a3

10221001123 has 8 divisors (see below), whose sum is σ = 10440801792. Its totient is φ = 10001297736.

The previous prime is 10221001097. The next prime is 10221001129. The reversal of 10221001123 is 32110012201.

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 10221001123 - 225 = 10187446691 is a prime.

It is a super-2 number, since 2×102210011232 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10221001129) 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, 212586 + ... + 256192.

It is an arithmetic number, because the mean of its divisors is an integer number (1305100224).

Almost surely, 210221001123 is an apocalyptic number.

10221001123 is a deficient number, since it is larger than the sum of its proper divisors (219800669).

10221001123 is an equidigital number, since it uses as much as digits as its factorization.

10221001123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48641.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 10221001123 its reverse (32110012201), we get a palindrome (42331013324).

The spelling of 10221001123 in words is "ten billion, two hundred twenty-one million, one thousand, one hundred twenty-three".

Divisors: 1 47 4987 43607 234389 2049529 217468109 10221001123