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84508161613531 = 421998257203857
BaseRepresentation
bin10011001101110000010110…
…111101000001111011011011
3102002012220100002021100210021
4103031300112331001323123
542034040203333113111
6455422302525331311
723541341011432555
oct2315602675017333
9362186302240707
1084508161613531
1124a2178a120257
12958a2b8406b37
133820115955826
1416c23070504d5
159b83b7ce7d71
hex4cdc16f41edb

84508161613531 has 8 divisors (see below), whose sum is σ = 84529466916080. Its totient is φ = 84486856923648.

The previous prime is 84508161613481. The next prime is 84508161613649. The reversal of 84508161613531 is 13531616180548.

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 84508161613531 - 223 = 84508153224923 is a prime.

It is a super-2 number, since 2×845081616135312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84508131613531) 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, 414444355 + ... + 414648211.

It is an arithmetic number, because the mean of its divisors is an integer number (10566183364510).

Almost surely, 284508161613531 is an apocalyptic number.

84508161613531 is a deficient number, since it is larger than the sum of its proper divisors (21305302549).

84508161613531 is a wasteful number, since it uses less digits than its factorization.

84508161613531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306333.

The product of its (nonzero) digits is 2073600, while the sum is 52.

The spelling of 84508161613531 in words is "eighty-four trillion, five hundred eight billion, one hundred sixty-one million, six hundred thirteen thousand, five hundred thirty-one".

Divisors: 1 4219 98257 203857 414546283 860072683 20030377249 84508161613531