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67484825401 = 7281331910337
BaseRepresentation
bin111110110110011010…
…001011011100111001
320110012010121022221211
4332312122023130321
52101202103403101
651000242003121
74606223360050
oct766632133471
9213163538854
1067484825401
1126690474184
12110b46464a1
136496334266
1433a2975397
151b4e8d8c51
hexfb668b739

67484825401 has 16 divisors (see below), whose sum is σ = 77430792960. Its totient is φ = 57615344640.

The previous prime is 67484825377. The next prime is 67484825453. The reversal of 67484825401 is 10452848476.

It is a happy number.

It is not a de Polignac number, because 67484825401 - 27 = 67484825273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67484825201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6523305 + ... + 6533641.

It is an arithmetic number, because the mean of its divisors is an integer number (4839424560).

Almost surely, 267484825401 is an apocalyptic number.

It is an amenable number.

67484825401 is a deficient number, since it is larger than the sum of its proper divisors (9945967559).

67484825401 is a wasteful number, since it uses less digits than its factorization.

67484825401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13944.

The product of its (nonzero) digits is 1720320, while the sum is 49.

The spelling of 67484825401 in words is "sixty-seven billion, four hundred eighty-four million, eight hundred twenty-five thousand, four hundred one".

Divisors: 1 7 281 1967 3319 10337 23233 72359 932639 2904697 6528473 20332879 34308503 240159521 9640689343 67484825401