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121313332131010 = 2531350683764719
BaseRepresentation
bin11011100101010101110110…
…000100010111010011000010
3120220112102220200212220201121
4123211111312010113103002
5111400044201011143020
61110002324142222454
734360412314125265
oct3345256604272302
9526472820786647
10121313332131010
11357217713a0798
1211733405584a2a
13528ca4b663816
1421d584d11ccdc
15e05988c36baa
hex6e55761174c2

121313332131010 has 32 divisors (see below), whose sum is σ = 219066255048960. Its totient is φ = 48369282219648.

The previous prime is 121313332130983. The next prime is 121313332131041. The reversal of 121313332131010 is 10131233313121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158255431 + ... + 159020149.

It is an arithmetic number, because the mean of its divisors is an integer number (6845820470280).

Almost surely, 2121313332131010 is an apocalyptic number.

121313332131010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121313332131010 is a deficient number, since it is larger than the sum of its proper divisors (97752922917950).

121313332131010 is a wasteful number, since it uses less digits than its factorization.

121313332131010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815722.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 121313332131010 its reverse (10131233313121), we get a palindrome (131444565444131).

The spelling of 121313332131010 in words is "one hundred twenty-one trillion, three hundred thirteen billion, three hundred thirty-two million, one hundred thirty-one thousand, ten".

Divisors: 1 2 5 10 313 626 1565 3130 50683 101366 253415 506830 764719 1529438 3823595 7647190 15863779 31727558 79318895 158637790 239357047 478714094 1196785235 2393570470 38758253077 77516506154 193791265385 387582530770 12131333213101 24262666426202 60656666065505 121313332131010