Base | Representation |
---|---|
bin | 1110010010001110001100… |
… | …10101110110001100011100 |
3 | 11010012222221210121021110100 |
4 | 13021013012111312030130 |
5 | 13104130120400421140 |
6 | 150450400151341100 |
7 | 6421321064550234 |
oct | 711070625661434 |
9 | 133188853537410 |
10 | 31412423451420 |
11 | a010a30133270 |
12 | 3633b31081790 |
13 | 146b242b405bb |
14 | 7a8525920cc4 |
15 | 397198951530 |
hex | 1c91c657631c |
31412423451420 has 72 divisors (see below), whose sum is σ = 103946564882160. Its totient is φ = 7615132957440.
The previous prime is 31412423451419. The next prime is 31412423451499. The reversal of 31412423451420 is 2415432421413.
31412423451420 is a `hidden beast` number, since 3 + 1 + 41 + 242 + 345 + 14 + 20 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7932428185 + ... + 7932432144.
It is an arithmetic number, because the mean of its divisors is an integer number (1443702290030).
Almost surely, 231412423451420 is an apocalyptic number.
31412423451420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
31412423451420 is an abundant number, since it is smaller than the sum of its proper divisors (72534141430740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31412423451420 is a wasteful number, since it uses less digits than its factorization.
31412423451420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15864860355 (or 15864860350 counting only the distinct ones).
The product of its (nonzero) digits is 92160, while the sum is 36.
Adding to 31412423451420 its reverse (2415432421413), we get a palindrome (33827855872833).
The spelling of 31412423451420 in words is "thirty-one trillion, four hundred twelve billion, four hundred twenty-three million, four hundred fifty-one thousand, four hundred twenty".
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