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7963900000869 = 32654633333623
BaseRepresentation
bin111001111100011110101…
…1011100011101001100101
31001012100012212212102210110
41303320331123203221211
52020440031400011434
624534322023443233
71451241603042321
oct163707533435145
931170185772713
107963900000869
1125a051aa2860a
12a87559bb6519
13459cb9820027
141d7652034981
15dc25ca4e4e9
hex73e3d6e3a65

7963900000869 has 4 divisors (see below), whose sum is σ = 10618533334496. Its totient is φ = 5309266667244.

The previous prime is 7963900000853. The next prime is 7963900000907. The reversal of 7963900000869 is 9680000093697.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 7963900000869 - 24 = 7963900000853 is a prime.

It is a super-2 number, since 2×79639000008692 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7963900500869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1327316666809 + ... + 1327316666814.

It is an arithmetic number, because the mean of its divisors is an integer number (2654633333624).

Almost surely, 27963900000869 is an apocalyptic number.

It is an amenable number.

7963900000869 is a deficient number, since it is larger than the sum of its proper divisors (2654633333627).

7963900000869 is a wasteful number, since it uses less digits than its factorization.

7963900000869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2654633333626.

The product of its (nonzero) digits is 4408992, while the sum is 57.

The spelling of 7963900000869 in words is "seven trillion, nine hundred sixty-three billion, nine hundred million, eight hundred sixty-nine", and thus it is an aban number.

Divisors: 1 3 2654633333623 7963900000869