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3780705347 = 31121958237
BaseRepresentation
bin1110000101011000…
…1111110001000011
3100202111001201201222
43201112033301003
530220330032342
61423053345255
7162455315366
oct34126176103
910674051658
103780705347
111670122981
1289619822b
13483370073
1427c18c0dd
15171da8ed2
hexe158fc43

3780705347 has 4 divisors (see below), whose sum is σ = 3902663616. Its totient is φ = 3658747080.

The previous prime is 3780705343. The next prime is 3780705349. The reversal of 3780705347 is 7435070873.

3780705347 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7435070873 = 23323263951.

It is a cyclic number.

It is not a de Polignac number, because 3780705347 - 22 = 3780705343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3780705298 and 3780705307.

It is not an unprimeable number, because it can be changed into a prime (3780705343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60979088 + ... + 60979149.

It is an arithmetic number, because the mean of its divisors is an integer number (975665904).

Almost surely, 23780705347 is an apocalyptic number.

3780705347 is a deficient number, since it is larger than the sum of its proper divisors (121958269).

3780705347 is a wasteful number, since it uses less digits than its factorization.

3780705347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121958268.

The product of its (nonzero) digits is 493920, while the sum is 44.

The square root of 3780705347 is about 61487.4405630939. The cubic root of 3780705347 is about 1557.8451163319.

The spelling of 3780705347 in words is "three billion, seven hundred eighty million, seven hundred five thousand, three hundred forty-seven".

Divisors: 1 31 121958237 3780705347