Base | Representation |
---|---|
bin | 10000100100001000100001… |
… | …000000010010110110000110 |
3 | 100112221120012102202011010000 |
4 | 100210020201000102312012 |
5 | 34022100430441000240 |
6 | 414535352210542130 |
7 | 21226240150130403 |
oct | 2044104100226606 |
9 | 315846172664100 |
10 | 72851789000070 |
11 | 212382a7714a03 |
12 | 82071b8897946 |
13 | 3185b817c5782 |
14 | 13dc08c81d2aa |
15 | 86509773e430 |
hex | 424221012d86 |
72851789000070 has 40 divisors (see below), whose sum is σ = 195890365980144. Its totient is φ = 19427143733136.
The previous prime is 72851789000041. The next prime is 72851789000083. The reversal of 72851789000070 is 7000098715827.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a junction number, because it is equal to n+sod(n) for n = 72851788999980 and 72851789000016.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 44970239314 + ... + 44970240933.
Almost surely, 272851789000070 is an apocalyptic number.
72851789000070 is an abundant number, since it is smaller than the sum of its proper divisors (123038576980074).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72851789000070 is a wasteful number, since it uses less digits than its factorization.
72851789000070 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 89940480266 (or 89940480257 counting only the distinct ones).
The product of its (nonzero) digits is 1975680, while the sum is 54.
The spelling of 72851789000070 in words is "seventy-two trillion, eight hundred fifty-one billion, seven hundred eighty-nine million, seventy", and thus it is an aban number.
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