Base | Representation |
---|---|
bin | 111111101011111… |
… | …1010010100111100 |
3 | 12111221002120010100 |
4 | 1333113322110330 |
5 | 13334031142102 |
6 | 552014441100 |
7 | 103645661541 |
oct | 17727722474 |
9 | 5457076110 |
10 | 2136974652 |
11 | 9a72a275a |
12 | 4b7803190 |
13 | 280965657 |
14 | 163b52bc8 |
15 | c791ca1c |
hex | 7f5fa53c |
2136974652 has 36 divisors (see below), whose sum is σ = 5421046176. Its totient is φ = 709786560.
The previous prime is 2136974633. The next prime is 2136974657. The reversal of 2136974652 is 2564796312.
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-3 number, since 3×21369746523 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a junction number, because it is equal to n+sod(n) for n = 2136974598 and 2136974607.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2136974657) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95508 + ... + 115739.
It is an arithmetic number, because the mean of its divisors is an integer number (150584616).
Almost surely, 22136974652 is an apocalyptic number.
It is an amenable number.
2136974652 is an abundant number, since it is smaller than the sum of its proper divisors (3284071524).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2136974652 is a wasteful number, since it uses less digits than its factorization.
2136974652 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 211538 (or 211533 counting only the distinct ones).
The product of its digits is 544320, while the sum is 45.
The square root of 2136974652 is about 46227.4231598518. The cubic root of 2136974652 is about 1288.0511911742.
The spelling of 2136974652 in words is "two billion, one hundred thirty-six million, nine hundred seventy-four thousand, six hundred fifty-two".
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