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121131232011310 = 2582211473436711
BaseRepresentation
bin11011100010101100010000…
…000011100010010000101110
3120212220000212211101100211211
4123202230100003202100232
5111334103230343330220
61105342530400505034
734341304564502233
oct3342542003422056
9525800784340754
10121131232011310
11356615156495a4
121170406461b17a
13527881a8bbac1
1421caad644578a
15e00d7be90b5a
hex6e2b100e242e

121131232011310 has 16 divisors (see below), whose sum is σ = 218062739629152. Its totient is φ = 48446599024800.

The previous prime is 121131232011287. The next prime is 121131232011421. The reversal of 121131232011310 is 13110232131121.

It is a super-2 number, since 2×1211312320113102 (a number of 29 digits) contains 22 as substring.

It is a congruent 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, 736636146 + ... + 736800565.

It is an arithmetic number, because the mean of its divisors is an integer number (13628921226822).

Almost surely, 2121131232011310 is an apocalyptic number.

121131232011310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121131232011310 is a deficient number, since it is larger than the sum of its proper divisors (96931507617842).

121131232011310 is a wasteful number, since it uses less digits than its factorization.

121131232011310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473444939.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 121131232011310 its reverse (13110232131121), we get a palindrome (134241464142431).

The spelling of 121131232011310 in words is "one hundred twenty-one trillion, one hundred thirty-one billion, two hundred thirty-two million, eleven thousand, three hundred ten".

Divisors: 1 2 5 10 8221 16442 41105 82210 1473436711 2946873422 7367183555 14734367110 12113123201131 24226246402262 60565616005655 121131232011310