Search a number
-
+
128616096 = 2537434451
BaseRepresentation
bin1111010101010…
…00011010100000
322222000101010010
413222220122200
5230411203341
620432404520
73121135020
oct752503240
9288011103
10128616096
11666671a4
12370a6740
13208528cb
141311da80
15b458716
hex7aa86a0

128616096 has 96 divisors (see below), whose sum is σ = 394910208. Its totient is φ = 35884800.

The previous prime is 128616091. The next prime is 128616097. The reversal of 128616096 is 690616821.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128616091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26671 + ... + 31121.

It is an arithmetic number, because the mean of its divisors is an integer number (4113648).

Almost surely, 2128616096 is an apocalyptic number.

128616096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 128616096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197455104).

128616096 is an abundant number, since it is smaller than the sum of its proper divisors (266294112).

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

128616096 is a wasteful number, since it uses less digits than its factorization.

128616096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4514 (or 4506 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 128616096 is about 11340.9036676977. The cubic root of 128616096 is about 504.7757014566.

The spelling of 128616096 in words is "one hundred twenty-eight million, six hundred sixteen thousand, ninety-six".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 43 48 56 84 86 96 112 129 168 172 224 258 301 336 344 516 602 672 688 903 1032 1204 1376 1806 2064 2408 3612 4128 4451 4816 7224 8902 9632 13353 14448 17804 26706 28896 31157 35608 53412 62314 71216 93471 106824 124628 142432 186942 191393 213648 249256 373884 382786 427296 498512 574179 747768 765572 997024 1148358 1339751 1495536 1531144 2296716 2679502 2991072 3062288 4019253 4593432 5359004 6124576 8038506 9186864 10718008 16077012 18373728 21436016 32154024 42872032 64308048 128616096