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128168382848754 = 23179909731267999
BaseRepresentation
bin11101001001000110000110…
…111011100101111011110010
3121210210202222222012102110110
4131021012012323211323302
5113244402322002130004
61132331424153442150
735665601002616043
oct3511060673457362
9553722888172413
10128168382848754
11379249a6858986
121245ba84110356
1356692c3c18581
1423915506a88ca
15ec3e48e7a589
hex749186ee5ef2

128168382848754 has 32 divisors (see below), whose sum is σ = 271415886912000. Its totient is φ = 40209616449792.

The previous prime is 128168382848749. The next prime is 128168382848761. The reversal of 128168382848754 is 457848283861821.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100445247 + ... + 101713245.

It is an arithmetic number, because the mean of its divisors is an integer number (8481746466000).

Almost surely, 2128168382848754 is an apocalyptic number.

128168382848754 is an abundant number, since it is smaller than the sum of its proper divisors (143247504063246).

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

128168382848754 is a wasteful number, since it uses less digits than its factorization.

128168382848754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2258994.

The product of its digits is 1321205760, while the sum is 75.

The spelling of 128168382848754 in words is "one hundred twenty-eight trillion, one hundred sixty-eight billion, three hundred eighty-two million, eight hundred forty-eight thousand, seven hundred fifty-four".

Divisors: 1 2 3 6 17 34 51 102 990973 1267999 1981946 2535998 2972919 3803997 5945838 7607994 16846541 21555983 33693082 43111966 50539623 64667949 101079246 129335898 1256552773027 2513105546054 3769658319081 7539316638162 21361397141459 42722794282918 64084191424377 128168382848754