Base | Representation |
---|---|
bin | 10001000010000011000111… |
… | …100110100010110101010000 |
3 | 100211020002112221012210100122 |
4 | 101002003013212202311100 |
5 | 34304241210033143433 |
6 | 423152022204405412 |
7 | 21530615423614322 |
oct | 2102030746426520 |
9 | 324202487183318 |
10 | 74907578412368 |
11 | 219601421a49a9 |
12 | 8499710546868 |
13 | 32a49a63720c0 |
14 | 146d790871612 |
15 | 89d7b849d198 |
hex | 4420c79a2d50 |
74907578412368 has 80 divisors (see below), whose sum is σ = 165494882649600. Its totient is φ = 32538376747008.
The previous prime is 74907578412361. The next prime is 74907578412427. The reversal of 74907578412368 is 86321487570947.
74907578412368 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×749075784123683 (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74907578412361) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199946921 + ... + 200321207.
It is an arithmetic number, because the mean of its divisors is an integer number (2068686033120).
It is a 1-persistent number, because it is pandigital, but 2⋅74907578412368 = 149815156824736 is not.
Almost surely, 274907578412368 is an apocalyptic number.
It is an amenable number.
74907578412368 is an abundant number, since it is smaller than the sum of its proper divisors (90587304237232).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74907578412368 is a wasteful number, since it uses less digits than its factorization.
74907578412368 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 430924 (or 430918 counting only the distinct ones).
The product of its (nonzero) digits is 568995840, while the sum is 71.
The spelling of 74907578412368 in words is "seventy-four trillion, nine hundred seven billion, five hundred seventy-eight million, four hundred twelve thousand, three hundred sixty-eight".
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