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122288632237 = 1011210778537
BaseRepresentation
bin111000111100011111…
…0000111000110101101
3102200122111122011201101
41301320332013012231
54000421342212422
6132102325443101
711556266136412
oct1617076070655
9380574564641
10122288632237
1147953821422
121b84a270491
13b6bb3ac225
145cc1296109
1532aad7dc27
hex1c78f871ad

122288632237 has 4 divisors (see below), whose sum is σ = 123499410876. Its totient is φ = 121077853600.

The previous prime is 122288632231. The next prime is 122288632243. The reversal of 122288632237 is 732236882221.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (122288632231) and next prime (122288632243).

It can be written as a sum of positive squares in 2 ways, for example, as 81304249321 + 40984382916 = 285139^2 + 202446^2 .

It is a cyclic number.

It is not a de Polignac number, because 122288632237 - 223 = 122280243629 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 (122288632231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605389168 + ... + 605389369.

It is an arithmetic number, because the mean of its divisors is an integer number (30874852719).

Almost surely, 2122288632237 is an apocalyptic number.

It is an amenable number.

122288632237 is a deficient number, since it is larger than the sum of its proper divisors (1210778639).

122288632237 is a wasteful number, since it uses less digits than its factorization.

122288632237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210778638.

The product of its digits is 774144, while the sum is 46.

The spelling of 122288632237 in words is "one hundred twenty-two billion, two hundred eighty-eight million, six hundred thirty-two thousand, two hundred thirty-seven".

Divisors: 1 101 1210778537 122288632237