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112202032021 = 897793161773
BaseRepresentation
bin110100001111111000…
…0110010001110010101
3101201121112220210102121
41220133300302032111
53314242210011041
6123313410535541
711051320351612
oct1503760621625
9351545823377
10112202032021
1143648138392
12198b42975b1
13a771790431
14560582d509
152dba5b67d1
hex1a1fc32395

112202032021 has 8 divisors (see below), whose sum is σ = 113477990040. Its totient is φ = 110926413312.

The previous prime is 112202032003. The next prime is 112202032079. The reversal of 112202032021 is 120230202211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 68901000100 + 43301031921 = 262490^2 + 208089^2 .

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 112202032021 - 29 = 112202031509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112202031986 and 112202032004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112202036021) 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 7 ways as a sum of consecutive naturals, for example, 612691 + ... + 774463.

It is an arithmetic number, because the mean of its divisors is an integer number (14184748755).

Almost surely, 2112202032021 is an apocalyptic number.

It is an amenable number.

112202032021 is a deficient number, since it is larger than the sum of its proper divisors (1275958019).

112202032021 is an equidigital number, since it uses as much as digits as its factorization.

112202032021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169655.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 112202032021 its reverse (120230202211), we get a palindrome (232432234232).

The spelling of 112202032021 in words is "one hundred twelve billion, two hundred two million, thirty-two thousand, twenty-one".

Divisors: 1 89 7793 161773 693577 14397797 1260696989 112202032021