Base | Representation |
---|---|
bin | 111010100011000110… |
… | …1110001110101110010 |
3 | 110000112111001212120000 |
4 | 1311012031301311302 |
5 | 4024444402144342 |
6 | 133432134330430 |
7 | 12040520644011 |
oct | 1650615616562 |
9 | 400474055500 |
10 | 125732068722 |
11 | 493605251a7 |
12 | 2044b4b9a16 |
13 | bb19902b00 |
14 | 612a72ca78 |
15 | 340d31644c |
hex | 1d46371d72 |
125732068722 has 90 divisors (see below), whose sum is σ = 305214218397. Its totient is φ = 38668737744.
The previous prime is 125732068717. The next prime is 125732068727. The reversal of 125732068722 is 227860237521.
125732068722 is a `hidden beast` number, since 1 + 2 + 573 + 2 + 0 + 6 + 8 + 72 + 2 = 666.
It is an interprime number because it is at equal distance from previous prime (125732068717) and next prime (125732068727).
It can be written as a sum of positive squares in 2 ways, for example, as 107504638641 + 18227430081 = 327879^2 + 135009^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=250731.
It is a super-2 number, since 2×1257320687222 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (125732068727) by changing a digit.
It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 58669983 + ... + 58672125.
Almost surely, 2125732068722 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 125732068722
125732068722 is an abundant number, since it is smaller than the sum of its proper divisors (179482149675).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
125732068722 is an frugal number, since it uses more digits than its factorization.
125732068722 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4326 (or 2161 counting only the distinct ones).
The product of its (nonzero) digits is 564480, while the sum is 45.
The spelling of 125732068722 in words is "one hundred twenty-five billion, seven hundred thirty-two million, sixty-eight thousand, seven hundred twenty-two".
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