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8069147677 = 194211100853
BaseRepresentation
bin1111000001111010…
…10110110000011101
3202211100112011200101
413200331112300131
5113011200211202
63412405501101
7403650423613
oct74075266035
922740464611
108069147677
113470907098
121692411791
139b79739c6
145679476b3
15323608887
hex1e0f56c1d

8069147677 has 8 divisors (see below), whose sum is σ = 8495940960. Its totient is φ = 7642564560.

The previous prime is 8069147621. The next prime is 8069147689. The reversal of 8069147677 is 7767419608.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8069147677 - 27 = 8069147549 is a prime.

It is a super-2 number, since 2×80691476772 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8069147377) 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, 29583 + ... + 130435.

It is an arithmetic number, because the mean of its divisors is an integer number (1061992620).

Almost surely, 28069147677 is an apocalyptic number.

It is an amenable number.

8069147677 is a deficient number, since it is larger than the sum of its proper divisors (426793283).

8069147677 is a wasteful number, since it uses less digits than its factorization.

8069147677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105083.

The product of its (nonzero) digits is 3556224, while the sum is 55.

The square root of 8069147677 is about 89828.4346796714. The cubic root of 8069147677 is about 2005.7457835945.

The spelling of 8069147677 in words is "eight billion, sixty-nine million, one hundred forty-seven thousand, six hundred seventy-seven".

Divisors: 1 19 4211 80009 100853 1916207 424691983 8069147677