Search a number
-
+
2176021870140 = 2235245914748691
BaseRepresentation
bin11111101010100101000…
…000101011011000111100
321201000200201001022221210
4133222211000223120330
5241122443044321030
64343352312324420
7313132564466646
oct37524500533074
97630621038853
102176021870140
11769933687138
122b18893a3710
1312a275c73911
147746a1c9896
153b90b330bb0
hex1faa502b63c

2176021870140 has 48 divisors (see below), whose sum is σ = 6095339429760. Its totient is φ = 580036480320.

The previous prime is 2176021870123. The next prime is 2176021870159. The reversal of 2176021870140 is 410781206712.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7226806 + ... + 7521885.

It is an arithmetic number, because the mean of its divisors is an integer number (126986238120).

Almost surely, 22176021870140 is an apocalyptic number.

2176021870140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2176021870140 is an abundant number, since it is smaller than the sum of its proper divisors (3919317559620).

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

2176021870140 is a wasteful number, since it uses less digits than its factorization.

2176021870140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14751162 (or 14751160 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 39.

The spelling of 2176021870140 in words is "two trillion, one hundred seventy-six billion, twenty-one million, eight hundred seventy thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2459 4918 7377 9836 12295 14754 24590 29508 36885 49180 73770 147540 14748691 29497382 44246073 58994764 73743455 88492146 147486910 176984292 221230365 294973820 442460730 884921460 36267031169 72534062338 108801093507 145068124676 181335155845 217602187014 362670311690 435204374028 544005467535 725340623380 1088010935070 2176021870140