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1880797001 = 29312092099
BaseRepresentation
bin111000000011010…
…1010111101001001
311212002001101110012
41300012222331021
512322441001001
6510344001305
764415340116
oct16006527511
94762041405
101880797001
1188572a696
12445a60235
1323c86c145
1413bb0990d
15b01b82bb
hex701aaf49

1880797001 has 8 divisors (see below), whose sum is σ = 2008416000. Its totient is φ = 1757362320.

The previous prime is 1880796971. The next prime is 1880797013. The reversal of 1880797001 is 1007970881.

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 1880797001 - 26 = 1880796937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1880797001.

It is not an unprimeable number, because it can be changed into a prime (1880797901) 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, 1045151 + ... + 1046948.

It is an arithmetic number, because the mean of its divisors is an integer number (251052000).

Almost surely, 21880797001 is an apocalyptic number.

It is an amenable number.

1880797001 is a deficient number, since it is larger than the sum of its proper divisors (127618999).

1880797001 is a wasteful number, since it uses less digits than its factorization.

1880797001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2092159.

The product of its (nonzero) digits is 28224, while the sum is 41.

The square root of 1880797001 is about 43368.1565321838. The cubic root of 1880797001 is about 1234.3755416382.

The spelling of 1880797001 in words is "one billion, eight hundred eighty million, seven hundred ninety-seven thousand, one".

Divisors: 1 29 31 899 2092099 60670871 64855069 1880797001