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10012220001 = 33752974709
BaseRepresentation
bin10010101001100011…
…00101101001100001
3221211202202110211000
421110301211221201
5131001112020001
64333300342213
7503053315530
oct112461455141
927752673730
1010012220001
114278701093
121b350a4969
13c373a8644
146ada24317
153d8ec3a86
hex254c65a61

10012220001 has 16 divisors (see below), whose sum is σ = 16951907200. Its totient is φ = 5721268464.

The previous prime is 10012219969. The next prime is 10012220039. The reversal of 10012220001 is 10002221001.

It is not a de Polignac number, because 10012220001 - 25 = 10012219969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10012220201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26487166 + ... + 26487543.

It is an arithmetic number, because the mean of its divisors is an integer number (1059494200).

Almost surely, 210012220001 is an apocalyptic number.

It is an amenable number.

10012220001 is a deficient number, since it is larger than the sum of its proper divisors (6939687199).

10012220001 is an equidigital number, since it uses as much as digits as its factorization.

10012220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52974725 (or 52974719 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10012220001 its reverse (10002221001), we get a palindrome (20014441002).

The spelling of 10012220001 in words is "ten billion, twelve million, two hundred twenty thousand, one".

Divisors: 1 3 7 9 21 27 63 189 52974709 158924127 370822963 476772381 1112468889 1430317143 3337406667 10012220001