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111202332985 = 5171308262741
BaseRepresentation
bin110011110010000101…
…1001111000100111001
3101122000212210211011101
41213210023033010321
53310220244123420
6123030255531401
711014461143302
oct1474413170471
9348025724141
10111202332985
11431848aa737
1219675529b61
13a64262a243
14554cb5d7a9
152d5c94460a
hex19e42cf139

111202332985 has 8 divisors (see below), whose sum is σ = 141292376136. Its totient is φ = 83728815360.

The previous prime is 111202332979. The next prime is 111202333007. The reversal of 111202332985 is 589233202111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3189538576 + 108012794409 = 56476^2 + 328653^2 .

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

It is not a de Polignac number, because 111202332985 - 23 = 111202332977 is a prime.

It is a super-2 number, since 2×1112023329852 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 654131286 + ... + 654131455.

It is an arithmetic number, because the mean of its divisors is an integer number (17661547017).

Almost surely, 2111202332985 is an apocalyptic number.

It is an amenable number.

111202332985 is a deficient number, since it is larger than the sum of its proper divisors (30090043151).

111202332985 is a wasteful number, since it uses less digits than its factorization.

111202332985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308262763.

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 111202332985 in words is "one hundred eleven billion, two hundred two million, three hundred thirty-two thousand, nine hundred eighty-five".

Divisors: 1 5 17 85 1308262741 6541313705 22240466597 111202332985