Base | Representation |
---|---|
bin | 11001101110100111… |
… | …00010111001110110 |
3 | 1022122122011112200120 |
4 | 30313103202321312 |
5 | 211242032204340 |
6 | 10202343352410 |
7 | 666202425450 |
oct | 146723427166 |
9 | 38578145616 |
10 | 13812772470 |
11 | 5948a4a442 |
12 | 2815a52706 |
13 | 13c18a7363 |
14 | 95069b2d0 |
15 | 55c99d4d0 |
hex | 3374e2e76 |
13812772470 has 64 divisors (see below), whose sum is σ = 37926766080. Its totient is φ = 3153846528.
The previous prime is 13812772469. The next prime is 13812772511. The reversal of 13812772470 is 7427721831.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 165621 + ... + 234639.
It is an arithmetic number, because the mean of its divisors is an integer number (592605720).
Almost surely, 213812772470 is an apocalyptic number.
13812772470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13812772470 is an abundant number, since it is smaller than the sum of its proper divisors (24113993610).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13812772470 is a wasteful number, since it uses less digits than its factorization.
13812772470 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69989.
The product of its (nonzero) digits is 131712, while the sum is 42.
The spelling of 13812772470 in words is "thirteen billion, eight hundred twelve million, seven hundred seventy-two thousand, four hundred seventy".
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