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70161133 = 712138263
BaseRepresentation
bin1000010111010…
…01001011101101
311220000112222111
410023221023231
5120430124013
610543444021
71511234260
oct413511355
9156015874
1070161133
1136671109
121b5b6611
13116c6c83
149464cd7
15625d73d
hex42e92ed

70161133 has 8 divisors (see below), whose sum is σ = 80259968. Its totient is φ = 60081264.

The previous prime is 70161107. The next prime is 70161149. The reversal of 70161133 is 33116107.

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 70161133 - 25 = 70161101 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70165133) 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, 4360 + ... + 12622.

It is an arithmetic number, because the mean of its divisors is an integer number (10032496).

Almost surely, 270161133 is an apocalyptic number.

It is an amenable number.

70161133 is a deficient number, since it is larger than the sum of its proper divisors (10098835).

70161133 is a wasteful number, since it uses less digits than its factorization.

70161133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9483.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 70161133 is about 8376.2242687263. The cubic root of 70161133 is about 412.4445138714. Note that the first 3 decimals are identical.

The spelling of 70161133 in words is "seventy million, one hundred sixty-one thousand, one hundred thirty-three".

Divisors: 1 7 1213 8263 8491 57841 10023019 70161133