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128036634315085 = 5170608715009391
BaseRepresentation
bin11101000111001011011010…
…000110110100100101001101
3121210100011221012002110120101
4131013023122012310211031
5113240223011341040320
61132151115013251101
735653225104556636
oct3507133206644515
9553304835073511
10128036634315085
1137884039187601
121243a435933a91
135659a58a03642
142389012cc288d
15ec07d7877c0a
hex7472da1b494d

128036634315085 has 8 divisors (see below), whose sum is σ = 153644061470976. Its totient is φ = 102429240590160.

The previous prime is 128036634314903. The next prime is 128036634315131. The reversal of 128036634315085 is 580513436630821.

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

It is not a de Polignac number, because 128036634315085 - 29 = 128036634314573 is a prime.

It is a Duffinian number.

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, 1025740 + ... + 16035130.

It is an arithmetic number, because the mean of its divisors is an integer number (19205507683872).

Almost surely, 2128036634315085 is an apocalyptic number.

It is an amenable number.

128036634315085 is a deficient number, since it is larger than the sum of its proper divisors (25607427155891).

128036634315085 is a wasteful number, since it uses less digits than its factorization.

128036634315085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16715483.

The product of its (nonzero) digits is 12441600, while the sum is 55.

The spelling of 128036634315085 in words is "one hundred twenty-eight trillion, thirty-six billion, six hundred thirty-four million, three hundred fifteen thousand, eighty-five".

Divisors: 1 5 1706087 8530435 15009391 75046955 25607326863017 128036634315085