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121433314420 = 22511551969611
BaseRepresentation
bin111000100010111111…
…1010101010001110100
3102121102220012112020201
41301011333111101310
53442143412030140
6131441413210244
711526142066435
oct1610577252164
9377386175221
10121433314420
1147554a384a0
121b64b930984
13b5b312b602
145c3d84b48c
15325ac2b49a
hex1c45fd5474

121433314420 has 24 divisors (see below), whose sum is σ = 278192684448. Its totient is φ = 44157568800.

The previous prime is 121433314411. The next prime is 121433314441. The reversal of 121433314420 is 24413334121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275984586 + ... + 275985025.

It is an arithmetic number, because the mean of its divisors is an integer number (11591361852).

Almost surely, 2121433314420 is an apocalyptic number.

121433314420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121433314420 is an abundant number, since it is smaller than the sum of its proper divisors (156759370028).

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

121433314420 is a wasteful number, since it uses less digits than its factorization.

121433314420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551969631 (or 551969629 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 121433314420 its reverse (24413334121), we get a palindrome (145846648541).

The spelling of 121433314420 in words is "one hundred twenty-one billion, four hundred thirty-three million, three hundred fourteen thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 551969611 1103939222 2207878444 2759848055 5519696110 6071665721 11039392220 12143331442 24286662884 30358328605 60716657210 121433314420