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2168892001 = 13071659443
BaseRepresentation
bin1000000101000110…
…1010101001100001
312121011011010111101
42001101222221201
513420214021001
6555114514401
7104514164203
oct20121525141
95534133441
102168892001
11a13312731
12506435a01
1328745c263
141680a0773
15ca624a01
hex8146aa61

2168892001 has 4 divisors (see below), whose sum is σ = 2170552752. Its totient is φ = 2167231252.

The previous prime is 2168891993. The next prime is 2168892013. The reversal of 2168892001 is 1002988612.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2168892001 - 23 = 2168891993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2168892031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 828415 + ... + 831028.

It is an arithmetic number, because the mean of its divisors is an integer number (542638188).

Almost surely, 22168892001 is an apocalyptic number.

It is an amenable number.

2168892001 is a deficient number, since it is larger than the sum of its proper divisors (1660751).

2168892001 is a wasteful number, since it uses less digits than its factorization.

2168892001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660750.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 2168892001 is about 46571.3646031550. The cubic root of 2168892001 is about 1294.4322035921.

The spelling of 2168892001 in words is "two billion, one hundred sixty-eight million, eight hundred ninety-two thousand, one".

Divisors: 1 1307 1659443 2168892001