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6993984254 = 259409144917
BaseRepresentation
bin1101000001101111…
…11011101011111110
3200001102102012201212
412200313323223332
5103310424444004
63114001204422
7335213612435
oct64067735376
920042365655
106993984254
112a69a15984
121432330712
13875caaa2a
144a4c3211c
152ae02b96e
hex1a0dfbafe

6993984254 has 16 divisors (see below), whose sum is σ = 10694948400. Its totient is φ = 3429292224.

The previous prime is 6993984247. The next prime is 6993984301. The reversal of 6993984254 is 4524893996.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a junction number, because it is equal to n+sod(n) for n = 6993984193 and 6993984202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24197 + ... + 120720.

It is an arithmetic number, because the mean of its divisors is an integer number (668434275).

Almost surely, 26993984254 is an apocalyptic number.

6993984254 is a deficient number, since it is larger than the sum of its proper divisors (3700964146).

6993984254 is a wasteful number, since it uses less digits than its factorization.

6993984254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145387.

The product of its digits is 16796160, while the sum is 59.

The square root of 6993984254 is about 83630.0439674642. The cubic root of 6993984254 is about 1912.3830396185.

The spelling of 6993984254 in words is "six billion, nine hundred ninety-three million, nine hundred eighty-four thousand, two hundred fifty-four".

Divisors: 1 2 59 118 409 818 24131 48262 144917 289834 8550103 17100206 59271053 118542106 3496992127 6993984254