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103111312122342 = 232181174831810253
BaseRepresentation
bin10111011100011101111001…
…001000011010000111100110
3111112002100022121222111120200
4113130131321020122013212
5102003333431400403332
61003144403255211330
730501355302626346
oct2734357110320746
9445070277874520
10103111312122342
112a94429764a997
12b6937b5976b46
13456c47cc635a4
141b66885286d26
15bdc2663e317c
hex5dc77921a1e6

103111312122342 has 48 divisors (see below), whose sum is σ = 224655113683728. Its totient is φ = 34178571501120.

The previous prime is 103111312122293. The next prime is 103111312122347. The reversal of 103111312122342 is 243221213111301.

103111312122342 is a `hidden beast` number, since 1 + 0 + 3 + 1 + 1 + 1 + 312 + 1 + 2 + 2 + 342 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103111312122347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56054488 + ... + 57864740.

It is an arithmetic number, because the mean of its divisors is an integer number (4680314868411).

Almost surely, 2103111312122342 is an apocalyptic number.

103111312122342 is an abundant number, since it is smaller than the sum of its proper divisors (121543801561386).

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

103111312122342 is a wasteful number, since it uses less digits than its factorization.

103111312122342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1827925 (or 1827922 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 103111312122342 its reverse (243221213111301), we get a palindrome (346332525233643).

The spelling of 103111312122342 in words is "one hundred three trillion, one hundred eleven billion, three hundred twelve million, one hundred twenty-two thousand, three hundred forty-two".

Divisors: 1 2 3 6 9 18 181 362 543 1086 1629 3258 17483 34966 52449 104898 157347 314694 1810253 3164423 3620506 5430759 6328846 9493269 10861518 16292277 18986538 28479807 32584554 56959614 327655793 655311586 982967379 1965934758 2948902137 5897804274 31648653199 63297306398 94945959597 189891919194 284837878791 569675757582 5728406229019 11456812458038 17185218687057 34370437374114 51555656061171 103111312122342