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67396434425 = 525634788379
BaseRepresentation
bin111110110001001000…
…111111100111111001
320102221222021121022222
4332301020333213321
52101011441400200
650543403253425
74604101145315
oct766110774771
9212858247288
1067396434425
1126645591791
121108ab1a275
136480c267c8
143394d26b45
151b46c78d85
hexfb123f9f9

67396434425 has 12 divisors (see below), whose sum is σ = 83720035920. Its totient is φ = 53821368720.

The previous prime is 67396434419. The next prime is 67396434437. The reversal of 67396434425 is 52443469376.

It is not a de Polignac number, because 67396434425 - 28 = 67396434169 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2380115 + ... + 2408264.

It is an arithmetic number, because the mean of its divisors is an integer number (6976669660).

Almost surely, 267396434425 is an apocalyptic number.

It is an amenable number.

67396434425 is a deficient number, since it is larger than the sum of its proper divisors (16323601495).

67396434425 is a wasteful number, since it uses less digits than its factorization.

67396434425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4788952 (or 4788947 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 53.

The spelling of 67396434425 in words is "sixty-seven billion, three hundred ninety-six million, four hundred thirty-four thousand, four hundred twenty-five".

Divisors: 1 5 25 563 2815 14075 4788379 23941895 119709475 2695857377 13479286885 67396434425