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121313122311110 = 25659173411061569
BaseRepresentation
bin11011100101010101101001…
…100011111101101111000110
3120220112102101002001221221012
4123211111221203331233012
5111400043233302423420
61110002251245122222
734360404155521412
oct3345255143755706
9526472332057835
10121313122311110
1135721673a10a14
1211733367259372
13528ca1704b932
1421d582d301d42
15e059755dcdc5
hex6e55698fdbc6

121313122311110 has 32 divisors (see below), whose sum is σ = 218707793647200. Its totient is φ = 48448774563840.

The previous prime is 121313122311109. The next prime is 121313122311131. The reversal of 121313122311110 is 11113221313121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113746406 + ... + 114807974.

It is an arithmetic number, because the mean of its divisors is an integer number (6834618551475).

Almost surely, 2121313122311110 is an apocalyptic number.

121313122311110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121313122311110 is a deficient number, since it is larger than the sum of its proper divisors (97394671336090).

121313122311110 is a wasteful number, since it uses less digits than its factorization.

121313122311110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079576.

The product of its (nonzero) digits is 216, while the sum is 23.

Adding to 121313122311110 its reverse (11113221313121), we get a palindrome (132426343624231).

The spelling of 121313122311110 in words is "one hundred twenty-one trillion, three hundred thirteen billion, one hundred twenty-two million, three hundred eleven thousand, one hundred ten".

Divisors: 1 2 5 10 659 1318 3295 6590 17341 34682 86705 173410 1061569 2123138 5307845 10615690 11427719 22855438 57138595 114277190 699573971 1399147942 3497869855 6995739710 18408668029 36817336058 92043340145 184086680290 12131312231111 24262624462222 60656561155555 121313122311110