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6893862420953 = 11875807803219
BaseRepresentation
bin110010001010001101000…
…1110001000000111011001
3220102001021010101022111002
41210110122032020013121
51400422112234432303
622354555140514345
71311031223505224
oct144243216100731
926361233338432
106893862420953
112218741683272
129340b06ab9b5
133b011c3aca11
1419b943dd25bb
15be4d2752788
hex6451a3881d9

6893862420953 has 4 divisors (see below), whose sum is σ = 6899670225360. Its totient is φ = 6888054616548.

The previous prime is 6893862420911. The next prime is 6893862421003. The reversal of 6893862420953 is 3590242683986.

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 a cyclic number.

It is not a de Polignac number, because 6893862420953 - 216 = 6893862355417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6893862420953.

It is not an unprimeable number, because it can be changed into a prime (6893862420553) 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, 2903900423 + ... + 2903902796.

It is an arithmetic number, because the mean of its divisors is an integer number (1724917556340).

Almost surely, 26893862420953 is an apocalyptic number.

It is an amenable number.

6893862420953 is a deficient number, since it is larger than the sum of its proper divisors (5807804407).

6893862420953 is a wasteful number, since it uses less digits than its factorization.

6893862420953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5807804406.

The product of its (nonzero) digits is 134369280, while the sum is 65.

The spelling of 6893862420953 in words is "six trillion, eight hundred ninety-three billion, eight hundred sixty-two million, four hundred twenty thousand, nine hundred fifty-three".

Divisors: 1 1187 5807803219 6893862420953