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23105413555 = 57660154673
BaseRepresentation
bin10101100001001100…
…001010000110110011
32012122020220121210121
4111201030022012303
5334304441213210
614340421111111
71445400526510
oct254114120663
965566817717
1023105413555
119887449204
124589b58497
132242b79a53
1411928cc307
159036d36da
hex56130a1b3

23105413555 has 8 divisors (see below), whose sum is σ = 31687424352. Its totient is φ = 15843712128.

The previous prime is 23105413501. The next prime is 23105413589. The reversal of 23105413555 is 55531450132.

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 23105413555 - 219 = 23104889267 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23105413555.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330077302 + ... + 330077371.

It is an arithmetic number, because the mean of its divisors is an integer number (3960928044).

Almost surely, 223105413555 is an apocalyptic number.

23105413555 is a deficient number, since it is larger than the sum of its proper divisors (8582010797).

23105413555 is an equidigital number, since it uses as much as digits as its factorization.

23105413555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660154685.

The product of its (nonzero) digits is 45000, while the sum is 34.

Adding to 23105413555 its reverse (55531450132), we get a palindrome (78636863687).

The spelling of 23105413555 in words is "twenty-three billion, one hundred five million, four hundred thirteen thousand, five hundred fifty-five".

Divisors: 1 5 7 35 660154673 3300773365 4621082711 23105413555