Base | Representation |
---|---|
bin | 101101001011001101… |
… | …0000101101101111000 |
3 | 100021101222111212212201 |
4 | 1122112122011231320 |
5 | 3042140222431242 |
6 | 112322250515544 |
7 | 10003031235046 |
oct | 1322632055570 |
9 | 307358455781 |
10 | 97012702072 |
11 | 38163160a40 |
12 | 16975435bb4 |
13 | 91c0954930 |
14 | 49a4403396 |
15 | 27cbd544b7 |
hex | 1696685b78 |
97012702072 has 128 divisors (see below), whose sum is σ = 226255680000. Its totient is φ = 38337891840.
The previous prime is 97012702063. The next prime is 97012702079. The reversal of 97012702072 is 27020721079.
It is a super-2 number, since 2×970127020722 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (97012702079) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3747429 + ... + 3773227.
It is an arithmetic number, because the mean of its divisors is an integer number (1767622500).
Almost surely, 297012702072 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 97012702072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113127840000).
97012702072 is an abundant number, since it is smaller than the sum of its proper divisors (129242977928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
97012702072 is a wasteful number, since it uses less digits than its factorization.
97012702072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26021 (or 26017 counting only the distinct ones).
The product of its (nonzero) digits is 24696, while the sum is 37.
The spelling of 97012702072 in words is "ninety-seven billion, twelve million, seven hundred two thousand, seventy-two".
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