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84012331247 = 1336979174761
BaseRepresentation
bin100111000111110000…
…1100111000011101111
322000211222000121201222
41032033201213003233
52334024124044442
6102332243453555
76032622014225
oct1161741470357
9260758017658
1084012331247
11326a1852a19
12143476872bb
137bcb483210
1440cd9bcb15
1522ba87c8d2
hex138f8670ef

84012331247 has 8 divisors (see below), whose sum is σ = 90477782640. Its totient is φ = 77547303360.

The previous prime is 84012331243. The next prime is 84012331253. The reversal of 84012331247 is 74213321048.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84012331247 - 22 = 84012331243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84012331243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393347 + ... + 568107.

It is an arithmetic number, because the mean of its divisors is an integer number (11309722830).

Almost surely, 284012331247 is an apocalyptic number.

84012331247 is a deficient number, since it is larger than the sum of its proper divisors (6465451393).

84012331247 is a wasteful number, since it uses less digits than its factorization.

84012331247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211753.

The product of its (nonzero) digits is 32256, while the sum is 35.

The spelling of 84012331247 in words is "eighty-four billion, twelve million, three hundred thirty-one thousand, two hundred forty-seven".

Divisors: 1 13 36979 174761 480727 2271893 6462487019 84012331247