Search a number
-
+
128003512434286 = 2321020319936981
BaseRepresentation
bin11101000110101100100011…
…111000110111111001101110
3121210020000102212102120211111
4131012230203320313321232
5113234202143140344121
61132124000220342234
735650643236331536
oct3506544370677156
9553200385376744
10128003512434286
1137870a917a72a5
1212433b313a497a
1356568aa921cc8
14238758ddc64c6
15ebe9e9b322e1
hex746b23e37e6e

128003512434286 has 8 divisors (see below), whose sum is σ = 192005338092984. Its totient is φ = 64001733069960.

The previous prime is 128003512434283. The next prime is 128003512434319. The reversal of 128003512434286 is 682434215300821.

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

It is a super-2 number, since 2×1280035124342862 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128003512434283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3548085 + ... + 16388896.

It is an arithmetic number, because the mean of its divisors is an integer number (24000667261623).

Almost surely, 2128003512434286 is an apocalyptic number.

128003512434286 is a deficient number, since it is larger than the sum of its proper divisors (64001825658698).

128003512434286 is a wasteful number, since it uses less digits than its factorization.

128003512434286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23147186.

The product of its (nonzero) digits is 2211840, while the sum is 49.

The spelling of 128003512434286 in words is "one hundred twenty-eight trillion, three billion, five hundred twelve million, four hundred thirty-four thousand, two hundred eighty-six".

Divisors: 1 2 3210203 6420406 19936981 39873962 64001756217143 128003512434286