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102122144300021 = 178077171179973
BaseRepresentation
bin10111001110000100101010…
…001000100111101111110101
3111101120210002211012201101112
4113032010222020213233311
5101341132122420100041
61001110133200004405
730340036636104266
oct2716045210475765
9441523084181345
10102122144300021
112a5a283815845a
12b553b57600705
1344ca0ccbc3351
141b30a4970696d
15bc1670b1adeb
hex5ce12a227bf5

102122144300021 has 8 divisors (see below), whose sum is σ = 102130580450304. Its totient is φ = 102113708488720.

The previous prime is 102122144300003. The next prime is 102122144300053. The reversal of 102122144300021 is 120003441221201.

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 102122144300021 - 210 = 102122144298997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 102122144300021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102122144300321) 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, 1276917791 + ... + 1276997763.

It is an arithmetic number, because the mean of its divisors is an integer number (12766322556288).

Almost surely, 2102122144300021 is an apocalyptic number.

It is an amenable number.

102122144300021 is a deficient number, since it is larger than the sum of its proper divisors (8436150283).

102122144300021 is an equidigital number, since it uses as much as digits as its factorization.

102122144300021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169491.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 102122144300021 its reverse (120003441221201), we get a palindrome (222125585521222).

The spelling of 102122144300021 in words is "one hundred two trillion, one hundred twenty-two billion, one hundred forty-four million, three hundred thousand, twenty-one".

Divisors: 1 17807 71711 79973 1276957777 1424079211 5734943803 102122144300021