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89844139452 = 2237994772299
BaseRepresentation
bin101001110101100100…
…0001100010110111100
322120220101121011122110
41103223020030112330
52433000044430302
6105135051414020
76330264404424
oct1235310142674
9276811534573
1089844139452
1135114746821
12154b4754310
13861a7509c2
1444c4329484
15250c840b6c
hex14eb20c5bc

89844139452 has 24 divisors (see below), whose sum is σ = 212289952000. Its totient is φ = 29568956976.

The previous prime is 89844139391. The next prime is 89844139481. The reversal of 89844139452 is 25493144898.

It is a junction number, because it is equal to n+sod(n) for n = 89844139392 and 89844139401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47385202 + ... + 47387097.

Almost surely, 289844139452 is an apocalyptic number.

It is an amenable number.

89844139452 is an abundant number, since it is smaller than the sum of its proper divisors (122445812548).

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

89844139452 is a wasteful number, since it uses less digits than its factorization.

89844139452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94772385 (or 94772383 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 57.

The spelling of 89844139452 in words is "eighty-nine billion, eight hundred forty-four million, one hundred thirty-nine thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 79 158 237 316 474 948 94772299 189544598 284316897 379089196 568633794 1137267588 7487011621 14974023242 22461034863 29948046484 44922069726 89844139452