Base | Representation |
---|---|
bin | 110001101100110101… |
… | …1000111001111000000 |
3 | 101012111021112100110000 |
4 | 1203121223013033000 |
5 | 3222041140012200 |
6 | 121010455240000 |
7 | 10465620000000 |
oct | 1433153071700 |
9 | 335437470400 |
10 | 106731172800 |
11 | 4129aa6792a |
12 | 18828079000 |
13 | a0ac210625 |
14 | 5247000000 |
15 | 2b9a151300 |
hex | 18d9ac73c0 |
106731172800 has 840 divisors, whose sum is σ = 457703021600. Its totient is φ = 24395696640.
The previous prime is 106731172783. The next prime is 106731172843. The reversal of 106731172800 is 8271137601.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
106731172800 is a `hidden beast` number, since 1 + 0 + 67 + 311 + 7 + 280 + 0 = 666.
It is a tau number, because it is divible by the number of its divisors (840).
It is a super-2 number, since 2×1067311728002 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a Saint-Exupery number, since it is equal to the product of the sides of a Pythagorean triangle: 7350 × 2058 × 7056.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 15247310397 + ... + 15247310403.
Almost surely, 2106731172800 is an apocalyptic number.
106731172800 is a gapful number since it is divisible by the number (10) 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 106731172800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228851510800).
106731172800 is an abundant number, since it is smaller than the sum of its proper divisors (350971848800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
106731172800 is an frugal number, since it uses more digits than its factorization.
106731172800 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83 (or 17 counting only the distinct ones).
The product of its (nonzero) digits is 14112, while the sum is 36.
The spelling of 106731172800 in words is "one hundred six billion, seven hundred thirty-one million, one hundred seventy-two thousand, eight hundred".
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