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980202120121 = 7203996864497
BaseRepresentation
bin11100100001110001001…
…10010110001110111001
310110201001222012220220201
432100320212112032321
5112024423220320441
62030144301122201
7130550215356430
oct16207046261671
93421058186821
10980202120121
113487795a77a4
12139b77859361
137158173b213
1435628d36117
151a76d622c31
hexe4389963b9

980202120121 has 8 divisors (see below), whose sum is σ = 1120286073600. Its totient is φ = 840131936448.

The previous prime is 980202120113. The next prime is 980202120167. The reversal of 980202120121 is 121021202089.

980202120121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 980202120121 - 23 = 980202120113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 980202120121.

It is not an unprimeable number, because it can be changed into a prime (980202120221) 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, 3289456 + ... + 3575041.

It is an arithmetic number, because the mean of its divisors is an integer number (140035759200).

Almost surely, 2980202120121 is an apocalyptic number.

It is an amenable number.

980202120121 is a deficient number, since it is larger than the sum of its proper divisors (140083953479).

980202120121 is a wasteful number, since it uses less digits than its factorization.

980202120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6884903.

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 980202120121 in words is "nine hundred eighty billion, two hundred two million, one hundred twenty thousand, one hundred twenty-one".

Divisors: 1 7 20399 142793 6864497 48051479 140028874303 980202120121