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13812630770 = 256122643657
BaseRepresentation
bin11001101110100110…
…00000010011110010
31022122121220100022102
430313103000103302
5211242013141040
610202340340402
7666201265361
oct146723002362
938577810272
1013812630770
115948962a34
1228159a4702
1313c1857a03
149506617d8
1555c971515
hex3374c04f2

13812630770 has 16 divisors (see below), whose sum is σ = 25270322328. Its totient is φ = 5434477440.

The previous prime is 13812630751. The next prime is 13812630779. The reversal of 13812630770 is 7703621831.

It can be written as a sum of positive squares in 4 ways, for example, as 5514696121 + 8297934649 = 74261^2 + 91093^2 .

It is not an unprimeable number, because it can be changed into a prime (13812630779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11321219 + ... + 11322438.

Almost surely, 213812630770 is an apocalyptic number.

13812630770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13812630770 is a deficient number, since it is larger than the sum of its proper divisors (11457691558).

13812630770 is a wasteful number, since it uses less digits than its factorization.

13812630770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22643725.

The product of its (nonzero) digits is 42336, while the sum is 38.

The spelling of 13812630770 in words is "thirteen billion, eight hundred twelve million, six hundred thirty thousand, seven hundred seventy".

Divisors: 1 2 5 10 61 122 305 610 22643657 45287314 113218285 226436570 1381263077 2762526154 6906315385 13812630770