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2010720511649 = 19337327930941
BaseRepresentation
bin11101010000101000010…
…010000010011010100001
321010020000120101021021002
4131100220102002122201
5230420423422333044
64135413502441345
7265161346231043
oct35205022023241
97106016337232
102010720511649
11705818344973
12285836293255
131177c15c31a5
146d4685a9a93
153748426074e
hex1d4284826a1

2010720511649 has 8 divisors (see below), whose sum is σ = 2026557427752. Its totient is φ = 1994939458560.

The previous prime is 2010720511637. The next prime is 2010720511663. The reversal of 2010720511649 is 9461150270102.

It can be written as a sum of positive squares in 4 ways, for example, as 543822400 + 2010176689249 = 23320^2 + 1417807^2 .

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 2010720511649 - 240 = 911208883873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2010720511619) 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, 13893482 + ... + 14037459.

It is an arithmetic number, because the mean of its divisors is an integer number (253319678469).

Almost surely, 22010720511649 is an apocalyptic number.

It is an amenable number.

2010720511649 is a deficient number, since it is larger than the sum of its proper divisors (15836916103).

2010720511649 is a wasteful number, since it uses less digits than its factorization.

2010720511649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27931507.

The product of its (nonzero) digits is 30240, while the sum is 38.

The spelling of 2010720511649 in words is "two trillion, ten billion, seven hundred twenty million, five hundred eleven thousand, six hundred forty-nine".

Divisors: 1 193 373 71989 27930941 5390671613 10418240993 2010720511649