Base | Representation |
---|---|
bin | 1000000000110111… |
… | …0011100101010111 |
3 | 12112220200100022100 |
4 | 2000031303211113 |
5 | 13401140242212 |
6 | 553241333143 |
7 | 104210033520 |
oct | 20015634527 |
9 | 5486610270 |
10 | 2151102807 |
11 | a04272417 |
12 | 5004971b3 |
13 | 2838711c9 |
14 | 16598d847 |
15 | c8cadbdc |
hex | 80373957 |
2151102807 has 48 divisors (see below), whose sum is σ = 3716144640. Its totient is φ = 1172356416.
The previous prime is 2151102799. The next prime is 2151102817. The reversal of 2151102807 is 7082011512.
It is not a de Polignac number, because 2151102807 - 23 = 2151102799 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2151102817) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 547213 + ... + 551129.
It is an arithmetic number, because the mean of its divisors is an integer number (77419680).
Almost surely, 22151102807 is an apocalyptic number.
2151102807 is a deficient number, since it is larger than the sum of its proper divisors (1565041833).
2151102807 is a wasteful number, since it uses less digits than its factorization.
2151102807 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4332 (or 4329 counting only the distinct ones).
The product of its (nonzero) digits is 1120, while the sum is 27.
The square root of 2151102807 is about 46379.9828266462. The cubic root of 2151102807 is about 1290.8835176922.
The spelling of 2151102807 in words is "two billion, one hundred fifty-one million, one hundred two thousand, eight hundred seven".
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