Base | Representation |
---|---|
bin | 1101110000111101… |
… | …11101001110001101 |
3 | 201002000202110211200 |
4 | 12320132331032031 |
5 | 110113330341000 |
6 | 3221151140113 |
7 | 351063505155 |
oct | 67036751615 |
9 | 21060673750 |
10 | 7390090125 |
11 | 3152571100 |
12 | 1522b14639 |
13 | 90a0879c2 |
14 | 5016a1765 |
15 | 2d3bc1500 |
hex | 1b87bd38d |
7390090125 has 108 divisors (see below), whose sum is σ = 14706161652. Its totient is φ = 3567696000.
The previous prime is 7390090063. The next prime is 7390090163. The reversal of 7390090125 is 5210900937.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 6 ways, for example, as 4702393476 + 2687696649 = 68574^2 + 51843^2 .
It is not a de Polignac number, because 7390090125 - 212 = 7390086029 is a prime.
It is a super-2 number, since 2×73900901252 (a number of 21 digits) contains 22 as substring.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 7390090125.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 31717009 + ... + 31717241.
Almost surely, 27390090125 is an apocalyptic number.
7390090125 is a gapful number since it is divisible by the number (75) formed by its first and last digit.
It is an amenable number.
7390090125 is a deficient number, since it is larger than the sum of its proper divisors (7316071527).
7390090125 is a wasteful number, since it uses less digits than its factorization.
7390090125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 509 (or 252 counting only the distinct ones).
The product of its (nonzero) digits is 17010, while the sum is 36.
The square root of 7390090125 is about 85965.6333949794. The cubic root of 7390090125 is about 1947.8248922544.
It can be divided in two parts, 73900 and 90125, that added together give a square (164025 = 4052).
The spelling of 7390090125 in words is "seven billion, three hundred ninety million, ninety thousand, one hundred twenty-five".
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