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67489493352952 = 23113676577317731
BaseRepresentation
bin11110101100001100111110…
…10001110000000111111000
322211221221011211110020101011
433112012133101300013320
532321221440244243302
6355312124545203304
720133645363153256
oct1726063721600770
9284857154406334
1067489493352952
111a560151606470
12769baba930534
132b87302695968
14129471a6275d6
157c08537e95d7
hex3d619f4701f8

67489493352952 has 64 divisors (see below), whose sum is σ = 138444322199040. Its totient is φ = 30588705907200.

The previous prime is 67489493352947. The next prime is 67489493352977. The reversal of 67489493352952 is 25925339498476.

It is a super-2 number, since 2×674894933529522 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212251927 + ... + 212569657.

It is an arithmetic number, because the mean of its divisors is an integer number (2163192534360).

Almost surely, 267489493352952 is an apocalyptic number.

It is an amenable number.

67489493352952 is an abundant number, since it is smaller than the sum of its proper divisors (70954828846088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67489493352952 is a wasteful number, since it uses less digits than its factorization.

67489493352952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324692 (or 324688 counting only the distinct ones).

The product of its digits is 3527193600, while the sum is 76.

The spelling of 67489493352952 in words is "sixty-seven trillion, four hundred eighty-nine billion, four hundred ninety-three million, three hundred fifty-two thousand, nine hundred fifty-two".

Divisors: 1 2 4 8 11 22 44 88 367 734 1468 2936 4037 6577 8074 13154 16148 26308 32296 52616 72347 144694 289388 317731 578776 635462 1270924 2413759 2541848 3495041 4827518 6990082 9655036 13980164 19310072 26551349 27960328 53102698 106205396 116607277 212410792 233214554 466429108 932858216 1282680047 2089716787 2565360094 4179433574 5130720188 8358867148 10261440376 16717734296 22986884657 45973769314 91947538628 183895077256 766926060829 1533852121658 3067704243316 6135408486632 8436186669119 16872373338238 33744746676476 67489493352952