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202201000121 = 972151142319
BaseRepresentation
bin1011110001010000011…
…1100110100010111001
3201022220201212002001102
42330110013212202321
511303101424000441
6232520113101145
720415505066661
oct2742407464271
9638821762042
10202201000121
117883121416a
12332308577b5
13160b5310b03
149b0253d1a1
1553d67dc69b
hex2f141e68b9

202201000121 has 12 divisors (see below), whose sum is σ = 205661508480. Its totient is φ = 198789782400.

The previous prime is 202201000103. The next prime is 202201000147. The reversal of 202201000121 is 121000102202.

It is a happy number.

202201000121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2k-202201000121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202201005121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1349600 + ... + 1491918.

It is an arithmetic number, because the mean of its divisors is an integer number (17138459040).

Almost surely, 2202201000121 is an apocalyptic number.

It is an amenable number.

202201000121 is a deficient number, since it is larger than the sum of its proper divisors (3460508359).

202201000121 is an equidigital number, since it uses as much as digits as its factorization.

202201000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142664 (or 142567 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 202201000121 its reverse (121000102202), we get a palindrome (323201102323).

The spelling of 202201000121 in words is "two hundred two billion, two hundred one million, one hundred twenty-one", and thus it is an aban number.

Divisors: 1 97 151 9409 14647 142319 1420759 13804943 21490169 1339079471 2084546393 202201000121