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10042203421 = 79313406123
BaseRepresentation
bin10010101101000111…
…11101110100011101
3221220212011210100001
421112203331310131
5131031301002141
64340251134301
7503566214665
oct112643756435
927825153301
1010042203421
114293620078
121b43144391
13c40675c03
146b39cb1a5
153db947a31
hex2568fdd1d

10042203421 has 8 divisors (see below), whose sum is σ = 10201834880. Its totient is φ = 9883384992.

The previous prime is 10042203389. The next prime is 10042203427. The reversal of 10042203421 is 12430224001.

10042203421 is digitally balanced in base 3, 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 10042203421 - 25 = 10042203389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10042203427) 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, 178335 + ... + 227788.

It is an arithmetic number, because the mean of its divisors is an integer number (1275229360).

Almost surely, 210042203421 is an apocalyptic number.

It is an amenable number.

10042203421 is a deficient number, since it is larger than the sum of its proper divisors (159631459).

10042203421 is an equidigital number, since it uses as much as digits as its factorization.

10042203421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406515.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 10042203421 its reverse (12430224001), we get a palindrome (22472427422).

The spelling of 10042203421 in words is "ten billion, forty-two million, two hundred three thousand, four hundred twenty-one".

Divisors: 1 79 313 24727 406123 32083717 127116499 10042203421