Base | Representation |
---|---|
bin | 100000010111000011010001… |
… | …100111111111000101010101 |
3 | 200122220210210202020110211112 |
4 | 200113003101213333011111 |
5 | 122123244020112143110 |
6 | 1222405341405544405 |
7 | 41656251523163210 |
oct | 4027032147770525 |
9 | 618823722213745 |
10 | 142321553240405 |
11 | 41391260541900 |
12 | 13b66a54275105 |
13 | 6154b321c1856 |
14 | 27205855a6777 |
15 | 116c19be58405 |
hex | 8170d19ff155 |
142321553240405 has 48 divisors (see below), whose sum is σ = 227160974154240. Its totient is φ = 83501109880320.
The previous prime is 142321553240281. The next prime is 142321553240497. The reversal of 142321553240405 is 504042355123241.
142321553240405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 142321553240405 - 218 = 142321552978261 is a prime.
It is a super-2 number, since 2×1423215532404052 (a number of 29 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 988340765 + ... + 988484754.
It is an arithmetic number, because the mean of its divisors is an integer number (4732520294880).
Almost surely, 2142321553240405 is an apocalyptic number.
It is an amenable number.
142321553240405 is a deficient number, since it is larger than the sum of its proper divisors (84839420913835).
142321553240405 is a wasteful number, since it uses less digits than its factorization.
142321553240405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1976825570 (or 1976825559 counting only the distinct ones).
The product of its (nonzero) digits is 576000, while the sum is 41.
The spelling of 142321553240405 in words is "one hundred forty-two trillion, three hundred twenty-one billion, five hundred fifty-three million, two hundred forty thousand, four hundred five".
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