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23488374421 = 412572229133
BaseRepresentation
bin10101111000000001…
…000010011010010101
32020121221112001100101
4111320001002122111
5341101010440141
614442421214101
71461030613501
oct257001023225
966557461311
1023488374421
119a63636396
124676261331
1322a4303805
1411cb6d9301
1592712d531
hex578042695

23488374421 has 8 divisors (see below), whose sum is σ = 24154896024. Its totient is φ = 22826311680.

The previous prime is 23488374383. The next prime is 23488374449. The reversal of 23488374421 is 12447388432.

It can be written as a sum of positive squares in 4 ways, for example, as 6870586321 + 16617788100 = 82889^2 + 128910^2 .

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 23488374421 - 27 = 23488374293 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 (23488374461) 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, 1104030 + ... + 1125103.

It is an arithmetic number, because the mean of its divisors is an integer number (3019362003).

Almost surely, 223488374421 is an apocalyptic number.

It is an amenable number.

23488374421 is a deficient number, since it is larger than the sum of its proper divisors (666521603).

23488374421 is a wasteful number, since it uses less digits than its factorization.

23488374421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229431.

The product of its digits is 1032192, while the sum is 46.

The spelling of 23488374421 in words is "twenty-three billion, four hundred eighty-eight million, three hundred seventy-four thousand, four hundred twenty-one".

Divisors: 1 41 257 10537 2229133 91394453 572887181 23488374421