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1234010221 = 6718418063
BaseRepresentation
bin100100110001101…
…1000000001101101
310012000000012210021
41021203120001231
510011401311341
6322241042141
742402625303
oct11143300155
93160005707
101234010221
11583626164
122a5326351
13168871882
14b9c64273
15735079d1
hex498d806d

1234010221 has 4 divisors (see below), whose sum is σ = 1252428352. Its totient is φ = 1215592092.

The previous prime is 1234010213. The next prime is 1234010231. The reversal of 1234010221 is 1220104321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1234010221 - 23 = 1234010213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1234010195 and 1234010204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234010231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9208965 + ... + 9209098.

It is an arithmetic number, because the mean of its divisors is an integer number (313107088).

Almost surely, 21234010221 is an apocalyptic number.

It is an amenable number.

1234010221 is a deficient number, since it is larger than the sum of its proper divisors (18418131).

1234010221 is an equidigital number, since it uses as much as digits as its factorization.

1234010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18418130.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1234010221 is about 35128.4816210436. The cubic root of 1234010221 is about 1072.6044282629.

Adding to 1234010221 its reverse (1220104321), we get a palindrome (2454114542).

The spelling of 1234010221 in words is "one billion, two hundred thirty-four million, ten thousand, two hundred twenty-one".

Divisors: 1 67 18418063 1234010221