Search a number
-
+
101728125792 = 2532353222659
BaseRepresentation
bin101111010111101111…
…0000000001101100000
3100201120121102020011200
41132233132000031200
53131314400011132
6114422214441200
710230626542056
oct1365736001540
9321517366150
10101728125792
113a162969637
1217870663200
139792855b97
144cd07881d6
1529a5ce6d7c
hex17af780360

101728125792 has 36 divisors (see below), whose sum is σ = 289289358540. Its totient is φ = 33909375168.

The previous prime is 101728125787. The next prime is 101728125799. The reversal of 101728125792 is 297521827101.

101728125792 is a `hidden beast` number, since 1 + 0 + 1 + 72 + 8 + 1 + 2 + 579 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1017281257922 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101728125799) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 176611042 + ... + 176611617.

It is an arithmetic number, because the mean of its divisors is an integer number (8035815515).

Almost surely, 2101728125792 is an apocalyptic number.

101728125792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101728125792 is an abundant number, since it is smaller than the sum of its proper divisors (187561232748).

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

101728125792 is a wasteful number, since it uses less digits than its factorization.

101728125792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353222675 (or 353222664 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 45.

The spelling of 101728125792 in words is "one hundred one billion, seven hundred twenty-eight million, one hundred twenty-five thousand, seven hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 353222659 706445318 1059667977 1412890636 2119335954 2825781272 3179003931 4238671908 5651562544 6358007862 8477343816 11303125088 12716015724 16954687632 25432031448 33909375264 50864062896 101728125792