Base | Representation |
---|---|
bin | 1101000100000010011000… |
… | …11001111110001000101111 |
3 | 10202201011212221111101222220 |
4 | 12202001030121332020233 |
5 | 12231121343411332200 |
6 | 141032315230010423 |
7 | 6023246430015036 |
oct | 642011431761057 |
9 | 122634787441886 |
10 | 28726023152175 |
11 | 91757022022a8 |
12 | 327b367046a13 |
13 | 1304b1083360b |
14 | 7144c000171d |
15 | 34c36a7cc4a0 |
hex | 1a204c67e22f |
28726023152175 has 48 divisors (see below), whose sum is σ = 50326213192992. Its totient is φ = 14408218828800.
The previous prime is 28726023152131. The next prime is 28726023152219. The reversal of 28726023152175 is 57125132062782.
It is an interprime number because it is at equal distance from previous prime (28726023152131) and next prime (28726023152219).
It is not a de Polignac number, because 28726023152175 - 26 = 28726023152111 is a prime.
It is a super-2 number, since 2×287260231521752 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (51).
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, 7031836 + ... + 10339185.
It is an arithmetic number, because the mean of its divisors is an integer number (1048462774854).
Almost surely, 228726023152175 is an apocalyptic number.
28726023152175 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
28726023152175 is a deficient number, since it is larger than the sum of its proper divisors (21600190040817).
28726023152175 is a wasteful number, since it uses less digits than its factorization.
28726023152175 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17372348 (or 17372343 counting only the distinct ones).
The product of its (nonzero) digits is 2822400, while the sum is 51.
The spelling of 28726023152175 in words is "twenty-eight trillion, seven hundred twenty-six billion, twenty-three million, one hundred fifty-two thousand, one hundred seventy-five".
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