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122221100023 = 1153209641681
BaseRepresentation
bin111000111010011110…
…0011111101111110111
3102200110210120011221021
41301310330133233313
54000302100200043
6132051514202011
711554516131451
oct1616474375767
9380423504837
10122221100023
1147919696480
121b82b723307
13b6aa3c5a39
145cb63172d1
1532a4e8e3ed
hex1c74f1fbf7

122221100023 has 8 divisors (see below), whose sum is σ = 135847809936. Its totient is φ = 109013673600.

The previous prime is 122221100017. The next prime is 122221100069. The reversal of 122221100023 is 320001122221.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122221100023 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 (122221100093) 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, 104820258 + ... + 104821423.

It is an arithmetic number, because the mean of its divisors is an integer number (16980976242).

Almost surely, 2122221100023 is an apocalyptic number.

122221100023 is a deficient number, since it is larger than the sum of its proper divisors (13626709913).

122221100023 is a wasteful number, since it uses less digits than its factorization.

122221100023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209641745.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 122221100023 its reverse (320001122221), we get a palindrome (442222222244).

The spelling of 122221100023 in words is "one hundred twenty-two billion, two hundred twenty-one million, one hundred thousand, twenty-three".

Divisors: 1 11 53 583 209641681 2306058491 11111009093 122221100023