Base | Representation |
---|---|
bin | 1000010010110010001… |
… | …1001010011100011001 |
3 | 111121202202202210221211 |
4 | 2010230203022130121 |
5 | 4313300210223324 |
6 | 145242141303121 |
7 | 13202551242211 |
oct | 2045443123431 |
9 | 447682683854 |
10 | 142481336089 |
11 | 55475aaa724 |
12 | 23744864aa1 |
13 | 105889881c1 |
14 | 6c78dc1241 |
15 | 3a8d9b2294 |
hex | 212c8ca719 |
142481336089 has 9 divisors (see below), whose sum is σ = 143842033503. Its totient is φ = 141133401432.
The previous prime is 142481336087. The next prime is 142481336111. The reversal of 142481336089 is 980633184241.
It is a happy number.
The square root of 142481336089 is 377467.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 99308807689 + 43172528400 = 315133^2 + 207780^2 .
It is not a de Polignac number, because 142481336089 - 21 = 142481336087 is a prime.
It is a super-2 number, since 2×1424813360892 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142481336087) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 41142172 + ... + 41145634.
It is an arithmetic number, because the mean of its divisors is an integer number (15982448167).
Almost surely, 2142481336089 is an apocalyptic number.
142481336089 is the 377467-th square number.
142481336089 is the 188734-th centered octagonal number.
It is an amenable number.
142481336089 is a deficient number, since it is larger than the sum of its proper divisors (1360697414).
142481336089 is an frugal number, since it uses more digits than its factorization.
142481336089 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7144 (or 3572 counting only the distinct ones).
The product of its (nonzero) digits is 995328, while the sum is 49.
Multiplying 142481336089 by its sum of digits (49), we get a square (6981585468361 = 26422692).
The spelling of 142481336089 in words is "one hundred forty-two billion, four hundred eighty-one million, three hundred thirty-six thousand, eighty-nine".
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