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2686440003 = 31368883077
BaseRepresentation
bin1010000000011111…
…1101001001000011
320221020000021212220
42200013331021003
521000212040003
61122323422123
7123400235412
oct24007751103
96836007786
102686440003
111159475155
1262b824943
1333a749690
141b6b03479
1510aca7353
hexa01fd243

2686440003 has 8 divisors (see below), whose sum is σ = 3857452368. Its totient is φ = 1653193824.

The previous prime is 2686439999. The next prime is 2686440049. The reversal of 2686440003 is 3000446862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2686440003 - 22 = 2686439999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2686440803) 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, 34441500 + ... + 34441577.

It is an arithmetic number, because the mean of its divisors is an integer number (482181546).

Almost surely, 22686440003 is an apocalyptic number.

2686440003 is a deficient number, since it is larger than the sum of its proper divisors (1171012365).

2686440003 is a wasteful number, since it uses less digits than its factorization.

2686440003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68883093.

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 2686440003 is about 51830.8788561413. The cubic root of 2686440003 is about 1390.1416281685.

Adding to 2686440003 its reverse (3000446862), we get a palindrome (5686886865).

The spelling of 2686440003 in words is "two billion, six hundred eighty-six million, four hundred forty thousand, three".

Divisors: 1 3 13 39 68883077 206649231 895480001 2686440003