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67392679201 = 232112872
BaseRepresentation
bin111110110000111010…
…101010110100100001
320102221201012211010121
4332300322222310201
52101010011213301
650543151000241
74604024215201
oct766072526441
9212851184117
1067392679201
11266434573a1
1211089809081
136480210493
14339462a401
151b467863a1
hexfb0eaad21

67392679201 has 9 divisors (see below), whose sum is σ = 70456434321. Its totient is φ = 64456851492.

The previous prime is 67392679171. The next prime is 67392679219. The reversal of 67392679201 is 10297629376.

The square root of 67392679201 is 259601.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 67392679201 - 213 = 67392671009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67392679901) 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 8 ways as a sum of consecutive naturals, for example, 5965180 + ... + 5976466.

Almost surely, 267392679201 is an apocalyptic number.

67392679201 is the 259601-st square number.

67392679201 is the 129801-st centered octagonal number.

It is an amenable number.

67392679201 is a deficient number, since it is larger than the sum of its proper divisors (3063755120).

67392679201 is an frugal number, since it uses more digits than its factorization.

67392679201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22620 (or 11310 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 52.

The spelling of 67392679201 in words is "sixty-seven billion, three hundred ninety-two million, six hundred seventy-nine thousand, two hundred one".

Divisors: 1 23 529 11287 259601 5970823 127396369 2930116487 67392679201