Base | Representation |
---|---|
bin | 11101110100000111001000… |
… | …101001111111010100011010 |
3 | 122012021101001111022112022210 |
4 | 131310013020221333110122 |
5 | 114141320304243430132 |
6 | 1142513421153455550 |
7 | 36422266303600311 |
oct | 3564071051772432 |
9 | 565241044275283 |
10 | 131124423030042 |
11 | 38864612437172 |
12 | 1285895bb715b6 |
13 | 5821c981a2710 |
14 | 245465513d278 |
15 | 1025ca924cbcc |
hex | 7741c8a7f51a |
131124423030042 has 64 divisors (see below), whose sum is σ = 284490659658240. Its totient is φ = 40050505370304.
The previous prime is 131124423030023. The next prime is 131124423030043. The reversal of 131124423030042 is 240030324421131.
It is a super-2 number, since 2×1311244230300422 (a number of 29 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 131124423029991 and 131124423030009.
It is not an unprimeable number, because it can be changed into a prime (131124423030043) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82949773 + ... + 84515759.
It is an arithmetic number, because the mean of its divisors is an integer number (4445166557160).
Almost surely, 2131124423030042 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 131124423030042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142245329829120).
131124423030042 is an abundant number, since it is smaller than the sum of its proper divisors (153366236628198).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131124423030042 is a wasteful number, since it uses less digits than its factorization.
131124423030042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1573867.
The product of its (nonzero) digits is 13824, while the sum is 30.
Adding to 131124423030042 its reverse (240030324421131), we get a palindrome (371154747451173).
The spelling of 131124423030042 in words is "one hundred thirty-one trillion, one hundred twenty-four billion, four hundred twenty-three million, thirty thousand, forty-two".
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