Search a number
-
+
23115315035555 = 56599517005161
BaseRepresentation
bin1010100000101111101000…
…01001000011110110100011
310000211210200001022112120122
411100113310021003312203
511012210131122114210
6121055010143030455
74604012024634641
oct520276411036643
9100753601275518
1023115315035555
1174021717a4796
122713aa029b42b
13cb89c3502a92
1459cb041a4191
152a1438107b55
hex1505f4243da3

23115315035555 has 8 divisors (see below), whose sum is σ = 27738424033344. Its totient is φ = 18492221368000.

The previous prime is 23115315035551. The next prime is 23115315035611. The reversal of 23115315035555 is 55553051351132.

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

It is not a de Polignac number, because 23115315035555 - 22 = 23115315035551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23115315035551) 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, 202826 + ... + 6802335.

It is an arithmetic number, because the mean of its divisors is an integer number (3467303004168).

Almost surely, 223115315035555 is an apocalyptic number.

23115315035555 is a deficient number, since it is larger than the sum of its proper divisors (4623108997789).

23115315035555 is an equidigital number, since it uses as much as digits as its factorization.

23115315035555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7665117.

The product of its (nonzero) digits is 843750, while the sum is 44.

Adding to 23115315035555 its reverse (55553051351132), we get a palindrome (78668366386687).

The spelling of 23115315035555 in words is "twenty-three trillion, one hundred fifteen billion, three hundred fifteen million, thirty-five thousand, five hundred fifty-five".

Divisors: 1 5 659951 3299755 7005161 35025805 4623063007111 23115315035555