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6870050690 = 256710253807
BaseRepresentation
bin1100110010111110…
…01010011110000010
3122201210012201211212
412121133022132002
5103032213110230
63053413010122
7332150316206
oct63137123602
918653181755
106870050690
112a05a67848
1213b8923942
13856407569
144925b0b06
152a31ea895
hex1997ca782

6870050690 has 16 divisors (see below), whose sum is σ = 12550660992. Its totient is φ = 2707004784.

The previous prime is 6870050689. The next prime is 6870050713. The reversal of 6870050690 is 960500786.

It is a happy number.

It is a super-2 number, since 2×68700506902 = 94395192966338952200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5126234 + ... + 5127573.

It is an arithmetic number, because the mean of its divisors is an integer number (784416312).

Almost surely, 26870050690 is an apocalyptic number.

6870050690 is a deficient number, since it is larger than the sum of its proper divisors (5680610302).

6870050690 is a wasteful number, since it uses less digits than its factorization.

6870050690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10253881.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 6870050690 is about 82885.7689232597. The cubic root of 6870050690 is about 1901.0198301601.

The spelling of 6870050690 in words is "six billion, eight hundred seventy million, fifty thousand, six hundred ninety".

Divisors: 1 2 5 10 67 134 335 670 10253807 20507614 51269035 102538070 687005069 1374010138 3435025345 6870050690