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4234678145 = 54718019907
BaseRepresentation
bin1111110001101000…
…0000111110000001
3101221010021221100022
43330122000332001
532133034200040
61540111503225
7206640112265
oct37432007601
911833257308
104234678145
111883402405
129a2227b15
1352642b119
142c25a20a5
1519bb7e6b5
hexfc680f81

4234678145 has 8 divisors (see below), whose sum is σ = 5189733504. Its totient is φ = 3315662704.

The previous prime is 4234678127. The next prime is 4234678187. The reversal of 4234678145 is 5418764324.

It is a happy number.

4234678145 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4234678145 - 226 = 4167569281 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4234678096 and 4234678105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9009719 + ... + 9010188.

It is an arithmetic number, because the mean of its divisors is an integer number (648716688).

Almost surely, 24234678145 is an apocalyptic number.

It is an amenable number.

4234678145 is a deficient number, since it is larger than the sum of its proper divisors (955055359).

4234678145 is a wasteful number, since it uses less digits than its factorization.

4234678145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18019959.

The product of its digits is 645120, while the sum is 44.

The square root of 4234678145 is about 65074.4046841767. The cubic root of 4234678145 is about 1617.8570131348.

The spelling of 4234678145 in words is "four billion, two hundred thirty-four million, six hundred seventy-eight thousand, one hundred forty-five".

Divisors: 1 5 47 235 18019907 90099535 846935629 4234678145