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23203101021 = 354114296427
BaseRepresentation
bin10101100111000000…
…110011100101011101
32012220001201122210220
4111213000303211131
5340004443213041
614354230551553
71450665050562
oct254700634535
965801648726
1023203101021
119927600251
1245b68085b9
13225a190a99
1411a187a869
1590c07cd66
hex56703395d

23203101021 has 8 divisors (see below), whose sum is σ = 30994655904. Its totient is φ = 15440140080.

The previous prime is 23203100951. The next prime is 23203101107. The reversal of 23203101021 is 12010130232.

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

It is not a de Polignac number, because 23203101021 - 211 = 23203098973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23203101721) 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, 7146591 + ... + 7149836.

It is an arithmetic number, because the mean of its divisors is an integer number (3874331988).

Almost surely, 223203101021 is an apocalyptic number.

It is an amenable number.

23203101021 is a deficient number, since it is larger than the sum of its proper divisors (7791554883).

23203101021 is a wasteful number, since it uses less digits than its factorization.

23203101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14296971.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 23203101021 its reverse (12010130232), we get a palindrome (35213231253).

The spelling of 23203101021 in words is "twenty-three billion, two hundred three million, one hundred one thousand, twenty-one".

Divisors: 1 3 541 1623 14296427 42889281 7734367007 23203101021