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386968892653 = 755281270379
BaseRepresentation
bin1011010000110010010…
…01001011010011101101
31100222211112020112021101
411220121021023103231
522320003014031103
6453434314203101
736646310213260
oct5503111132355
91328745215241
10386968892653
1113a1269405a2
1262bb7123491
132a64c997635
1414a2d65acd7
15a0ec89ea1d
hex5a1924b4ed

386968892653 has 4 divisors (see below), whose sum is σ = 442250163040. Its totient is φ = 331687622268.

The previous prime is 386968892641. The next prime is 386968892689. The reversal of 386968892653 is 356298869683.

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 a de Polignac number, because none of the positive numbers 2k-386968892653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386968892753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27640635183 + ... + 27640635196.

It is an arithmetic number, because the mean of its divisors is an integer number (110562540760).

Almost surely, 2386968892653 is an apocalyptic number.

It is an amenable number.

386968892653 is a deficient number, since it is larger than the sum of its proper divisors (55281270387).

386968892653 is an equidigital number, since it uses as much as digits as its factorization.

386968892653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55281270386.

The product of its digits is 806215680, while the sum is 73.

The spelling of 386968892653 in words is "three hundred eighty-six billion, nine hundred sixty-eight million, eight hundred ninety-two thousand, six hundred fifty-three".

Divisors: 1 7 55281270379 386968892653