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69124067441 = 11132511925837
BaseRepresentation
bin100000001100000011…
…1011001000001110001
320121102101010110021222
41000120013121001301
52113031230124231
651431040354425
74664646610262
oct1003007310161
9217371113258
1069124067441
1127351808a70
1211491615a15
136697b29870
1434ba562969
151be878a27b
hex10181d9071

69124067441 has 16 divisors (see below), whose sum is σ = 81532277568. Its totient is φ = 57775080000.

The previous prime is 69124067401. The next prime is 69124067471. The reversal of 69124067441 is 14476042196.

It is a de Polignac number, because none of the positive numbers 2k-69124067441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 69124067392 and 69124067401.

It is not an unprimeable number, because it can be changed into a prime (69124067401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 927026 + ... + 998811.

It is an arithmetic number, because the mean of its divisors is an integer number (5095767348).

Almost surely, 269124067441 is an apocalyptic number.

It is an amenable number.

69124067441 is a deficient number, since it is larger than the sum of its proper divisors (12408210127).

69124067441 is a wasteful number, since it uses less digits than its factorization.

69124067441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1926112.

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 69124067441 in words is "sixty-nine billion, one hundred twenty-four million, sixty-seven thousand, four hundred forty-one".

Divisors: 1 11 13 143 251 2761 3263 35893 1925837 21184207 25035881 275394691 483385087 5317235957 6284006131 69124067441