Base | Representation |
---|---|
bin | 100110111111001101… |
… | …0000000011000010111 |
3 | 22000002221121001000212 |
4 | 1031332122000120113 |
5 | 2332432113001033 |
6 | 102243544000035 |
7 | 6022533551522 |
oct | 1157632003027 |
9 | 260087531025 |
10 | 83725125143 |
11 | 32564717800 |
12 | 1428746001b |
13 | 7b83b1488a |
14 | 40a37b9bb9 |
15 | 22a0549748 |
hex | 137e680617 |
83725125143 has 24 divisors (see below), whose sum is σ = 95107951008. Its totient is φ = 73599680000.
The previous prime is 83725125083. The next prime is 83725125173. The reversal of 83725125143 is 34152152738.
It is not a de Polignac number, because 83725125143 - 218 = 83724862999 is a prime.
It is a super-2 number, since 2×837251251432 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (41).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 83725125143.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83725125173) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 485918 + ... + 635268.
It is an arithmetic number, because the mean of its divisors is an integer number (3962831292).
Almost surely, 283725125143 is an apocalyptic number.
83725125143 is a deficient number, since it is larger than the sum of its proper divisors (11382825865).
83725125143 is a wasteful number, since it uses less digits than its factorization.
83725125143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 149527 (or 149516 counting only the distinct ones).
The product of its digits is 201600, while the sum is 41.
The spelling of 83725125143 in words is "eighty-three billion, seven hundred twenty-five million, one hundred twenty-five thousand, one hundred forty-three".
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