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70161283 is a prime number
BaseRepresentation
bin1000010111010…
…01001110000011
311220000120012001
410023221032003
5120430130113
610543444431
71511234563
oct413511603
9156016161
1070161283
1136671235
121b5b6717
13116c706a
149464da3
15625d7dd
hex42e9383

70161283 has 2 divisors, whose sum is σ = 70161284. Its totient is φ = 70161282.

The previous prime is 70161263. The next prime is 70161307. The reversal of 70161283 is 38216107.

It is a weak prime.

It is an emirp because it is prime and its reverse (38216107) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-70161283 is a prime.

It is not a weakly prime, because it can be changed into another prime (70161263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35080641 + 35080642.

It is an arithmetic number, because the mean of its divisors is an integer number (35080642).

Almost surely, 270161283 is an apocalyptic number.

70161283 is a deficient number, since it is larger than the sum of its proper divisors (1).

70161283 is an equidigital number, since it uses as much as digits as its factorization.

70161283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 70161283 is about 8376.2332226365. The cubic root of 70161283 is about 412.4448077978. Note that the first 3 decimals are identical.

The spelling of 70161283 in words is "seventy million, one hundred sixty-one thousand, two hundred eighty-three".