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2168571077 = 23293251231
BaseRepresentation
bin1000000101000001…
…1100010011000101
312121010112211021022
42001100130103011
513420123233302
6555104000525
7104511356441
oct20120342305
95533484238
102168571077
11a13113602
12506300145
1328737916a
14168019821
15ca5ae8a2
hex8141c4c5

2168571077 has 8 divisors (see below), whose sum is σ = 2340887040. Its totient is φ = 2002757680.

The previous prime is 2168571043. The next prime is 2168571079. The reversal of 2168571077 is 7701758612.

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 2168571077 - 214 = 2168554693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2168571079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1624949 + ... + 1626282.

It is an arithmetic number, because the mean of its divisors is an integer number (292610880).

Almost surely, 22168571077 is an apocalyptic number.

It is an amenable number.

2168571077 is a deficient number, since it is larger than the sum of its proper divisors (172315963).

2168571077 is a wasteful number, since it uses less digits than its factorization.

2168571077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3251283.

The product of its (nonzero) digits is 164640, while the sum is 44.

The square root of 2168571077 is about 46567.9189678903. The cubic root of 2168571077 is about 1294.3683561144.

The spelling of 2168571077 in words is "two billion, one hundred sixty-eight million, five hundred seventy-one thousand, seventy-seven".

Divisors: 1 23 29 667 3251231 74778313 94285699 2168571077