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23211430142 = 219610827109
BaseRepresentation
bin10101100111100000…
…100101000011111110
32012220122101211012212
4111213200211003332
5340014111231032
614355125300422
71451125620665
oct254740450376
965818354185
1023211430142
11993127a01a
1245b9564712
13225bb18c64
1411a2a07ddc
1590cb75bb2
hex5678250fe

23211430142 has 8 divisors (see below), whose sum is σ = 36649626600. Its totient is φ = 10994887944.

The previous prime is 23211430139. The next prime is 23211430159. The reversal of 23211430142 is 24103411232.

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

It is a super-2 number, since 2×232114301422 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305413517 + ... + 305413592.

It is an arithmetic number, because the mean of its divisors is an integer number (4581203325).

Almost surely, 223211430142 is an apocalyptic number.

23211430142 is a deficient number, since it is larger than the sum of its proper divisors (13438196458).

23211430142 is a wasteful number, since it uses less digits than its factorization.

23211430142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610827130.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 23211430142 its reverse (24103411232), we get a palindrome (47314841374).

The spelling of 23211430142 in words is "twenty-three billion, two hundred eleven million, four hundred thirty thousand, one hundred forty-two".

Divisors: 1 2 19 38 610827109 1221654218 11605715071 23211430142