Base | Representation |
---|---|
bin | 110111111100011101… |
… | …1011100111001011100 |
3 | 102111002210110021121220 |
4 | 1233320323130321130 |
5 | 3432021423421140 |
6 | 131105230453340 |
7 | 11452122662523 |
oct | 1577073347134 |
9 | 374083407556 |
10 | 120140451420 |
11 | 46a51175380 |
12 | 1b34a964250 |
13 | b438322012 |
14 | 5b59c674ba |
15 | 31d249abd0 |
hex | 1bf8edce5c |
120140451420 has 96 divisors (see below), whose sum is σ = 370608086016. Its totient is φ = 28836576000.
The previous prime is 120140451419. The next prime is 120140451439. The reversal of 120140451420 is 24154041021.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 834484 + ... + 967803.
It is an arithmetic number, because the mean of its divisors is an integer number (3860500896).
Almost surely, 2120140451420 is an apocalyptic number.
120140451420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
120140451420 is an abundant number, since it is smaller than the sum of its proper divisors (250467634596).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120140451420 is a wasteful number, since it uses less digits than its factorization.
120140451420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1802411 (or 1802409 counting only the distinct ones).
The product of its (nonzero) digits is 1280, while the sum is 24.
Adding to 120140451420 its reverse (24154041021), we get a palindrome (144294492441).
The spelling of 120140451420 in words is "one hundred twenty billion, one hundred forty million, four hundred fifty-one thousand, four hundred twenty".
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