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70025661067 = 793911226643
BaseRepresentation
bin100000100110111011…
…0101100101010001011
320200202012122011020111
41001031312230222023
52121403032123232
652100324535151
75026205204155
oct1011566545213
9220665564214
1070025661067
112777472966a
12116a35514b7
1367ac86070b
1435641b5ad5
151c4c9ce047
hex104ddaca8b

70025661067 has 8 divisors (see below), whose sum is σ = 70930506240. Its totient is φ = 69121277160.

The previous prime is 70025661059. The next prime is 70025661113. The reversal of 70025661067 is 76016652007.

It is a happy number.

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 70025661067 - 23 = 70025661059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70025661037) 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, 195648 + ... + 422290.

It is an arithmetic number, because the mean of its divisors is an integer number (8866313280).

Almost surely, 270025661067 is an apocalyptic number.

70025661067 is a deficient number, since it is larger than the sum of its proper divisors (904845173).

70025661067 is a wasteful number, since it uses less digits than its factorization.

70025661067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230633.

The product of its (nonzero) digits is 105840, while the sum is 40.

The spelling of 70025661067 in words is "seventy billion, twenty-five million, six hundred sixty-one thousand, sixty-seven".

Divisors: 1 79 3911 226643 308969 17904797 886400773 70025661067