Search a number
-
+
275643837140 = 225711291743919
BaseRepresentation
bin1000000001011011010…
…01110010101011010100
3222100111002111202110012
410000231221302223110
514004004310242030
6330343512015352
725625465646230
oct4005551625324
9870432452405
10275643837140
11a699983a691
1245508691558
131ccbaacc219
14d4ac4b35c0
1572842b8095
hex402da72ad4

275643837140 has 48 divisors (see below), whose sum is σ = 662131545600. Its totient is φ = 94422696192.

The previous prime is 275643837113. The next prime is 275643837191. The reversal of 275643837140 is 41738346572.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 713900 + ... + 1030019.

It is an arithmetic number, because the mean of its divisors is an integer number (13794407200).

Almost surely, 2275643837140 is an apocalyptic number.

275643837140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275643837140 is an abundant number, since it is smaller than the sum of its proper divisors (386487708460).

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

275643837140 is a wasteful number, since it uses less digits than its factorization.

275643837140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745064 (or 1745062 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 50.

The spelling of 275643837140 in words is "two hundred seventy-five billion, six hundred forty-three million, eight hundred thirty-seven thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 1129 2258 4516 5645 7903 11290 15806 22580 31612 39515 79030 158060 1743919 3487838 6975676 8719595 12207433 17439190 24414866 34878380 48829732 61037165 122074330 244148660 1968884551 3937769102 7875538204 9844422755 13782191857 19688845510 27564383714 39377691020 55128767428 68910959285 137821918570 275643837140