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83825871440623 = 1349031315142557
BaseRepresentation
bin10011000011110100111011…
…010010100100101011101111
3101222210200020002221101200021
4103003310323102210223233
541441400341042044443
6454141023531143011
723441135144601154
oct2303647322445357
9358720202841607
1083825871440623
11247893971018a4
12949a0228a4a67
1337a099057c320
14169b29dc0022b
159a57838cb9ed
hex4c3d3b4a4aef

83825871440623 has 8 divisors (see below), whose sum is σ = 90292427462048. Its totient is φ = 77361945714144.

The previous prime is 83825871440543. The next prime is 83825871440677. The reversal of 83825871440623 is 32604417852838.

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

It is not a de Polignac number, because 83825871440623 - 213 = 83825871432431 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 (83825871480623) 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, 657507540 + ... + 657635017.

It is an arithmetic number, because the mean of its divisors is an integer number (11286553432756).

Almost surely, 283825871440623 is an apocalyptic number.

83825871440623 is a deficient number, since it is larger than the sum of its proper divisors (6466556021425).

83825871440623 is a wasteful number, since it uses less digits than its factorization.

83825871440623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315147473.

The product of its (nonzero) digits is 61931520, while the sum is 61.

The spelling of 83825871440623 in words is "eighty-three trillion, eight hundred twenty-five billion, eight hundred seventy-one million, four hundred forty thousand, six hundred twenty-three".

Divisors: 1 13 4903 63739 1315142557 17096853241 6448143956971 83825871440623