Search a number
-
+
910121220201 = 3443684816569
BaseRepresentation
bin11010011111001110111…
…00111011100001101001
310020000011220122100012210
431033213130323201221
5104402412013021301
61534034240155333
7122516436505104
oct15174734734151
93200156570183
10910121220201
11320a8677a396
12128479908b49
1367a936099bb
143209b6a173b
1518a1ad81ad6
hexd3e773b869

910121220201 has 8 divisors (see below), whose sum is σ = 1216234228320. Its totient is φ = 605377846112.

The previous prime is 910121220193. The next prime is 910121220223. The reversal of 910121220201 is 102022121019.

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 910121220201 - 23 = 910121220193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (910121220101) 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, 342406956 + ... + 342409613.

It is an arithmetic number, because the mean of its divisors is an integer number (152029278540).

Almost surely, 2910121220201 is an apocalyptic number.

It is an amenable number.

910121220201 is a deficient number, since it is larger than the sum of its proper divisors (306113008119).

910121220201 is a wasteful number, since it uses less digits than its factorization.

910121220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684817015.

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 910121220201 in words is "nine hundred ten billion, one hundred twenty-one million, two hundred twenty thousand, two hundred one".

Divisors: 1 3 443 1329 684816569 2054449707 303373740067 910121220201