Search a number
-
+
402241120031 = 3113199049771
BaseRepresentation
bin1011101101001110111…
…00000110011100011111
31102110020212122001201102
411312213130012130133
523042242211320111
6504441555103315
741026624051442
oct5664734063437
91373225561642
10402241120031
11145653698013
1265b598a1b3b
132bc14a3927a
141567baa5659
15a6e353913b
hex5da770671f

402241120031 has 8 divisors (see below), whose sum is σ = 418386236928. Its totient is φ = 386294103000.

The previous prime is 402241120019. The next prime is 402241120049. The reversal of 402241120031 is 130021142204.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-402241120031 is a prime.

It is a super-2 number, since 2×4022411200312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 402241119985 and 402241120012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402241120531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49520825 + ... + 49528946.

It is an arithmetic number, because the mean of its divisors is an integer number (52298279616).

Almost surely, 2402241120031 is an apocalyptic number.

402241120031 is a deficient number, since it is larger than the sum of its proper divisors (16145116897).

402241120031 is a wasteful number, since it uses less digits than its factorization.

402241120031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99049933.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 402241120031 its reverse (130021142204), we get a palindrome (532262262235).

The spelling of 402241120031 in words is "four hundred two billion, two hundred forty-one million, one hundred twenty thousand, thirty-one".

Divisors: 1 31 131 4061 99049771 3070542901 12975520001 402241120031