Base | Representation |
---|---|
bin | 100010111110011101… |
… | …1110001011110100100 |
3 | 21011212120122010102220 |
4 | 1011330323301132210 |
5 | 2212311241103342 |
6 | 54301050232340 |
7 | 5266210420332 |
oct | 1057473613644 |
9 | 234776563386 |
10 | 75110487972 |
11 | 29943a04353 |
12 | 126824256b0 |
13 | 711014c730 |
14 | 38c7638b52 |
15 | 1e490de5ec |
hex | 117cef17a4 |
75110487972 has 48 divisors (see below), whose sum is σ = 189491222592. Its totient is φ = 23018832000.
The previous prime is 75110487971. The next prime is 75110487973. The reversal of 75110487972 is 27978401157.
It is an interprime number because it is at equal distance from previous prime (75110487971) and next prime (75110487973).
It is not an unprimeable number, because it can be changed into a prime (75110487971) 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, 919963 + ... + 998274.
It is an arithmetic number, because the mean of its divisors is an integer number (3947733804).
Almost surely, 275110487972 is an apocalyptic number.
It is an amenable number.
75110487972 is an abundant number, since it is smaller than the sum of its proper divisors (114380734620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75110487972 is a wasteful number, since it uses less digits than its factorization.
75110487972 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1918508 (or 1918506 counting only the distinct ones).
The product of its (nonzero) digits is 987840, while the sum is 51.
The spelling of 75110487972 in words is "seventy-five billion, one hundred ten million, four hundred eighty-seven thousand, nine hundred seventy-two".
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