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66467090705052 = 2235538924225421
BaseRepresentation
bin11110001110011100100110…
…10101001010101010011100
322201100012011211111101100010
433013032103111022222130
532202444100210030202
6353210320540203220
720000042320065042
oct1707162325125234
9281305154441303
1066467090705052
111a1a6597a00634
127555926239510
132b11a8701a55b
14125b04ab8a392
157a3e6541b76c
hex3c739354aa9c

66467090705052 has 12 divisors (see below), whose sum is σ = 155089878311816. Its totient is φ = 22155696901680.

The previous prime is 66467090705047. The next prime is 66467090705111. The reversal of 66467090705052 is 25050709076466.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 66467090704983 and 66467090705001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2769462112699 + ... + 2769462112722.

Almost surely, 266467090705052 is an apocalyptic number.

It is an amenable number.

66467090705052 is an abundant number, since it is smaller than the sum of its proper divisors (88622787606764).

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

66467090705052 is a wasteful number, since it uses less digits than its factorization.

66467090705052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5538924225428 (or 5538924225426 counting only the distinct ones).

The product of its (nonzero) digits is 19051200, while the sum is 57.

The spelling of 66467090705052 in words is "sixty-six trillion, four hundred sixty-seven billion, ninety million, seven hundred five thousand, fifty-two".

Divisors: 1 2 3 4 6 12 5538924225421 11077848450842 16616772676263 22155696901684 33233545352526 66467090705052