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8993428023 = 319241673023
BaseRepresentation
bin10000110000000110…
…01101001000110111
3212012202201110221210
420120003031020313
5121404304144043
64044224212503
7435602606526
oct103003151067
925182643853
108993428023
1138a5612648
1218aba6a133
13b042bbb58
146145c44bd
1537982e633
hex2180cd237

8993428023 has 48 divisors (see below), whose sum is σ = 13162093056. Its totient is φ = 5457006720.

The previous prime is 8993427967. The next prime is 8993428033. The reversal of 8993428023 is 3208243998.

It is not a de Polignac number, because 8993428023 - 26 = 8993427959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8993428033) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2973490 + ... + 2976512.

It is an arithmetic number, because the mean of its divisors is an integer number (274210272).

Almost surely, 28993428023 is an apocalyptic number.

8993428023 is a deficient number, since it is larger than the sum of its proper divisors (4168665033).

8993428023 is a wasteful number, since it uses less digits than its factorization.

8993428023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3172 (or 3153 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 48.

The square root of 8993428023 is about 94833.6861194375. The cubic root of 8993428023 is about 2079.5773937250.

The spelling of 8993428023 in words is "eight billion, nine hundred ninety-three million, four hundred twenty-eight thousand, twenty-three".

Divisors: 1 3 19 41 57 67 123 201 361 779 1083 1273 2337 2747 3023 3819 8241 9069 14801 24187 44403 52193 57437 72561 123943 156579 172311 202541 371829 607623 991667 1091303 2354917 2975001 3273909 3848279 7064751 8304181 11544837 24912543 44743423 73117301 134230269 157779439 219351903 473338317 2997809341 8993428023