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122020331342 = 2713838077607
BaseRepresentation
bin111000110100011111…
…0100111111101001110
3102122221210210002002012
41301220332213331032
53444344201100332
6132015543101222
711546530463150
oct1615076477516
9378853702065
10122020331342
1147826328a48
121b794441812
13b67792c8c0
145c977b4ad0
1532925323b2
hex1c68fa7f4e

122020331342 has 32 divisors (see below), whose sum is σ = 227982408192. Its totient is φ = 47690185824.

The previous prime is 122020331327. The next prime is 122020331347. The reversal of 122020331342 is 243133020221.

It is a super-2 number, since 2×1220203313422 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122020331347) 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 15 ways as a sum of consecutive naturals, for example, 4023698 + ... + 4053909.

It is an arithmetic number, because the mean of its divisors is an integer number (7124450256).

Almost surely, 2122020331342 is an apocalyptic number.

122020331342 is a deficient number, since it is larger than the sum of its proper divisors (105962076850).

122020331342 is a wasteful number, since it uses less digits than its factorization.

122020331342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8077712.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 122020331342 its reverse (243133020221), we get a palindrome (365153351563).

The spelling of 122020331342 in words is "one hundred twenty-two billion, twenty million, three hundred thirty-one thousand, three hundred forty-two".

Divisors: 1 2 7 13 14 26 83 91 166 182 581 1079 1162 2158 7553 15106 8077607 16155214 56543249 105008891 113086498 210017782 670441381 735062237 1340882762 1470124474 4693089667 8715737953 9386179334 17431475906 61010165671 122020331342