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122423413240 = 2354528967579
BaseRepresentation
bin111001000000100000…
…0010000100111111000
3102200222220020202111101
41302001000100213320
54001210343210430
6132123542341144
711562523562062
oct1620100204770
9380886222441
10122423413240
1147a12909387
121b88742a7b4
13b7102acbbb
145cd513c732
1532b7b03dca
hex1c810109f8

122423413240 has 32 divisors (see below), whose sum is σ = 275462838000. Its totient is φ = 48967559424.

The previous prime is 122423413237. The next prime is 122423413247. The reversal of 122423413240 is 42314324221.

It is a junction number, because it is equal to n+sod(n) for n = 122423413199 and 122423413208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122423413247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1777771 + ... + 1845349.

Almost surely, 2122423413240 is an apocalyptic number.

122423413240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122423413240 is an abundant number, since it is smaller than the sum of its proper divisors (153039424760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122423413240 is a wasteful number, since it uses less digits than its factorization.

122423413240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112879 (or 112875 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 122423413240 its reverse (42314324221), we get a palindrome (164737737461).

The spelling of 122423413240 in words is "one hundred twenty-two billion, four hundred twenty-three million, four hundred thirteen thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 45289 67579 90578 135158 181156 226445 270316 337895 362312 452890 540632 675790 905780 1351580 1811560 2703160 3060585331 6121170662 12242341324 15302926655 24484682648 30605853310 61211706620 122423413240