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13712047340 = 2251740329551
BaseRepresentation
bin11001100010100110…
…10011110011101100
31022101121122011210012
430301103103303230
5211040241003330
610144344432352
7663540323255
oct146123236354
938347564705
1013712047340
1158a7103132
1227a81786b8
1313a6a6b7a4
1494115bb2c
15553c03c95
hex3314d3cec

13712047340 has 24 divisors (see below), whose sum is σ = 30489141312. Its totient is φ = 5162182400.

The previous prime is 13712047259. The next prime is 13712047343. The reversal of 13712047340 is 4374021731.

It is a junction number, because it is equal to n+sod(n) for n = 13712047297 and 13712047306.

It is not an unprimeable number, because it can be changed into a prime (13712047343) 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, 20164436 + ... + 20165115.

It is an arithmetic number, because the mean of its divisors is an integer number (1270380888).

Almost surely, 213712047340 is an apocalyptic number.

13712047340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13712047340 is an abundant number, since it is smaller than the sum of its proper divisors (16777093972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13712047340 is a wasteful number, since it uses less digits than its factorization.

13712047340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40329577 (or 40329575 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The spelling of 13712047340 in words is "thirteen billion, seven hundred twelve million, forty-seven thousand, three hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 40329551 80659102 161318204 201647755 403295510 685602367 806591020 1371204734 2742409468 3428011835 6856023670 13712047340