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2140102321 = 72313292561
BaseRepresentation
bin111111110001111…
…0101111010110001
312112010222110110221
41333203311322301
513340331233241
6552205453041
7104014366240
oct17743657261
95463873427
102140102321
119a9039605
124b8871181
132814bc146
14164328957
15c7d395d1
hex7f8f5eb1

2140102321 has 8 divisors (see below), whose sum is σ = 2552171904. Its totient is φ = 1754617920.

The previous prime is 2140102301. The next prime is 2140102331. The reversal of 2140102321 is 1232010412.

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 2140102321 - 27 = 2140102193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2140102295 and 2140102304.

It is not an unprimeable number, because it can be changed into a prime (2140102301) 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, 6646120 + ... + 6646441.

It is an arithmetic number, because the mean of its divisors is an integer number (319021488).

Almost surely, 22140102321 is an apocalyptic number.

It is an amenable number.

2140102321 is a deficient number, since it is larger than the sum of its proper divisors (412069583).

2140102321 is a wasteful number, since it uses less digits than its factorization.

2140102321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13292591.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2140102321 is about 46261.2399423102. The cubic root of 2140102321 is about 1288.6792806651.

Adding to 2140102321 its reverse (1232010412), we get a palindrome (3372112733).

The spelling of 2140102321 in words is "two billion, one hundred forty million, one hundred two thousand, three hundred twenty-one".

Divisors: 1 7 23 161 13292561 93047927 305728903 2140102321