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10042020331 = 75932419181
BaseRepresentation
bin10010101101000110…
…10001000111101011
3221220211211111011221
421112203101013223
5131031224122311
64340243202511
7503564523130
oct112643210753
927824744157
1010042020331
114293505562
121b43076437
13c40610785
146b3980587
153db90d671
hex2568d11eb

10042020331 has 8 divisors (see below), whose sum is σ = 11495952864. Its totient is φ = 8592927360.

The previous prime is 10042020323. The next prime is 10042020347. The reversal of 10042020331 is 13302024001.

It is a happy number.

10042020331 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 a cyclic number.

It is not a de Polignac number, because 10042020331 - 23 = 10042020323 is a prime.

It is a super-2 number, since 2×100420203312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10042020311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1205440 + ... + 1213741.

It is an arithmetic number, because the mean of its divisors is an integer number (1436994108).

Almost surely, 210042020331 is an apocalyptic number.

10042020331 is a deficient number, since it is larger than the sum of its proper divisors (1453932533).

10042020331 is an equidigital number, since it uses as much as digits as its factorization.

10042020331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2419781.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 10042020331 its reverse (13302024001), we get a palindrome (23344044332).

The spelling of 10042020331 in words is "ten billion, forty-two million, twenty thousand, three hundred thirty-one".

Divisors: 1 7 593 4151 2419181 16934267 1434574333 10042020331