Base | Representation |
---|---|
bin | 10001001111000011011100… |
… | …011110000101001110100001 |
3 | 100221101112100122122101222101 |
4 | 101033003130132011032201 |
5 | 34413412011104304212 |
6 | 425114343400010401 |
7 | 21652314265415035 |
oct | 2117033436051641 |
9 | 327345318571871 |
10 | 75801281713057 |
11 | 2217516343436a |
12 | 8602967a60a01 |
13 | 333b05144bb14 |
14 | 14a0b318941c5 |
15 | 8b6b72cd6157 |
hex | 44f0dc7853a1 |
75801281713057 has 4 divisors (see below), whose sum is σ = 75801304731460. Its totient is φ = 75801258694656.
The previous prime is 75801281713051. The next prime is 75801281713103. The reversal of 75801281713057 is 75031718210857.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 38406576868416 + 37394704844641 = 6197304^2 + 6115121^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-75801281713057 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 75801281712989 and 75801281713007.
It is not an unprimeable number, because it can be changed into a prime (75801281713051) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5536368 + ... + 13500145.
It is an arithmetic number, because the mean of its divisors is an integer number (18950326182865).
Almost surely, 275801281713057 is an apocalyptic number.
It is an amenable number.
75801281713057 is a deficient number, since it is larger than the sum of its proper divisors (23018403).
75801281713057 is a wasteful number, since it uses less digits than its factorization.
75801281713057 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23018402.
The product of its (nonzero) digits is 3292800, while the sum is 55.
The spelling of 75801281713057 in words is "seventy-five trillion, eight hundred one billion, two hundred eighty-one million, seven hundred thirteen thousand, fifty-seven".
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