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67698378382 = 253983649709
BaseRepresentation
bin111111000011001000…
…110100011010001110
320110202000102221120111
4333003020310122032
52102121241102012
651033351110234
74614425502355
oct770310643216
9213660387514
1067698378382
112678aa73748
121115407237a
1364cb65537b
1433c308499c
151b6351dba7
hexfc323468e

67698378382 has 16 divisors (see below), whose sum is σ = 103568971680. Its totient is φ = 33176689312.

The previous prime is 67698378373. The next prime is 67698378383. The reversal of 67698378382 is 28387389676.

67698378382 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67698378383) 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, 220657 + ... + 429052.

It is an arithmetic number, because the mean of its divisors is an integer number (6473060730).

Almost surely, 267698378382 is an apocalyptic number.

67698378382 is a deficient number, since it is larger than the sum of its proper divisors (35870593298).

67698378382 is a wasteful number, since it uses less digits than its factorization.

67698378382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650747.

The product of its digits is 146313216, while the sum is 67.

The spelling of 67698378382 in words is "sixty-seven billion, six hundred ninety-eight million, three hundred seventy-eight thousand, three hundred eighty-two".

Divisors: 1 2 53 106 983 1966 52099 104198 649709 1299418 34434577 68869154 638663947 1277327894 33849189191 67698378382