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2681213073 = 371111606983
BaseRepresentation
bin1001111111010000…
…0001000010010001
320220212011201212220
42133310001002101
520442342304243
61122015411253
7123304635510
oct23764010221
96825151786
102681213073
111156525080
12629b23b29
13339639516
141b6142677
1510a5c3783
hex9fd01091

2681213073 has 16 divisors (see below), whose sum is σ = 4457081856. Its totient is φ = 1392837840.

The previous prime is 2681213057. The next prime is 2681213111. The reversal of 2681213073 is 3703121862.

It is not a de Polignac number, because 2681213073 - 24 = 2681213057 is a prime.

It is a super-2 number, since 2×26812130732 = 14377807085652206658, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (2681213173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5803261 + ... + 5803722.

It is an arithmetic number, because the mean of its divisors is an integer number (278567616).

Almost surely, 22681213073 is an apocalyptic number.

It is an amenable number.

2681213073 is a deficient number, since it is larger than the sum of its proper divisors (1775868783).

2681213073 is a wasteful number, since it uses less digits than its factorization.

2681213073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11607004.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 2681213073 is about 51780.4313713202. The cubic root of 2681213073 is about 1389.2394564466.

The spelling of 2681213073 in words is "two billion, six hundred eighty-one million, two hundred thirteen thousand, seventy-three".

Divisors: 1 3 7 11 21 33 77 231 11606983 34820949 81248881 127676813 243746643 383030439 893737691 2681213073