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122102021422 = 297629391863
BaseRepresentation
bin111000110110111011…
…0001111110100101110
3102200011111111100210201
41301231312033310232
54000031104141142
6132032022024114
711551542025513
oct1615566176456
9380144440721
10122102021422
1147868453a07
121b7b787803a
13b68b832324
145ca459b30a
1532997bbab7
hex1c6dd8fd2e

122102021422 has 8 divisors (see below), whose sum is σ = 185041208016. Its totient is φ = 60421618752.

The previous prime is 122102021417. The next prime is 122102021423. The reversal of 122102021422 is 224120201221.

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

It is a super-3 number, since 3×1221020214223 (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122102021422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122102021423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314695738 + ... + 314696125.

It is an arithmetic number, because the mean of its divisors is an integer number (23130151002).

Almost surely, 2122102021422 is an apocalyptic number.

122102021422 is a deficient number, since it is larger than the sum of its proper divisors (62939186594).

122102021422 is an equidigital number, since it uses as much as digits as its factorization.

122102021422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629391962.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 122102021422 its reverse (224120201221), we get a palindrome (346222222643).

The spelling of 122102021422 in words is "one hundred twenty-two billion, one hundred two million, twenty-one thousand, four hundred twenty-two".

Divisors: 1 2 97 194 629391863 1258783726 61051010711 122102021422