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23103330155 = 5191447168067
BaseRepresentation
bin10101100001000100…
…001101011101101011
32012122002222202220122
4111201010031131223
5334303423031110
614340304313455
71445344031453
oct254104153553
965562882818
1023103330155
119886255994
12458931288b
1322425ca679
141192508d63
15903421255
hex56110d76b

23103330155 has 16 divisors (see below), whose sum is σ = 29203495680. Its totient is φ = 17497687392.

The previous prime is 23103330139. The next prime is 23103330167. The reversal of 23103330155 is 55103330132.

It is a cyclic number.

It is not a de Polignac number, because 23103330155 - 24 = 23103330139 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53432 + ... + 221498.

It is an arithmetic number, because the mean of its divisors is an integer number (1825218480).

Almost surely, 223103330155 is an apocalyptic number.

23103330155 is a deficient number, since it is larger than the sum of its proper divisors (6100165525).

23103330155 is a wasteful number, since it uses less digits than its factorization.

23103330155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169538.

The product of its (nonzero) digits is 4050, while the sum is 26.

Adding to 23103330155 its reverse (55103330132), we get a palindrome (78206660287).

The spelling of 23103330155 in words is "twenty-three billion, one hundred three million, three hundred thirty thousand, one hundred fifty-five".

Divisors: 1 5 19 95 1447 7235 27493 137465 168067 840335 3193273 15966365 243192949 1215964745 4620666031 23103330155