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3845280071 = 11681329191
BaseRepresentation
bin1110010100110010…
…0101000101000111
3100220222120110121102
43211030211011013
530333342430241
61433321410315
7164201225033
oct34514450507
910828513542
103845280071
1116a3618916
128b393999b
1349385c369
1428699b1c3
151778b239b
hexe5325147

3845280071 has 4 divisors (see below), whose sum is σ = 3845620944. Its totient is φ = 3844939200.

The previous prime is 3845280053. The next prime is 3845280077. The reversal of 3845280071 is 1700825483.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3845280071 - 226 = 3778171207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3845280077) 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, 152915 + ... + 176276.

It is an arithmetic number, because the mean of its divisors is an integer number (961405236).

Almost surely, 23845280071 is an apocalyptic number.

3845280071 is a deficient number, since it is larger than the sum of its proper divisors (340873).

3845280071 is a wasteful number, since it uses less digits than its factorization.

3845280071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340872.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 3845280071 is about 62010.3222939536. The cubic root of 3845280071 is about 1566.6644631376.

The spelling of 3845280071 in words is "three billion, eight hundred forty-five million, two hundred eighty thousand, seventy-one".

Divisors: 1 11681 329191 3845280071