Search a number
-
+
2147943101140 = 225430372495461
BaseRepresentation
bin11111010000011011011…
…000101011001011010100
321121100012211220002001101
4133100123120223023110
5240142441413214030
64322430151035444
7311120014054444
oct37203330531324
97540184802041
102147943101140
11758a3497a421
122a835196bb84
1312771c936bc5
1475d64db4124
153ad1620a7ca
hex1f41b62b2d4

2147943101140 has 24 divisors (see below), whose sum is σ = 4510787129352. Its totient is φ = 859156932480.

The previous prime is 2147943101089. The next prime is 2147943101153. The reversal of 2147943101140 is 411013497412.

It can be written as a sum of positive squares in 4 ways, for example, as 192968675524 + 1954974425616 = 439282^2 + 1398204^2 .

It is a super-2 number, since 2×21479431011402 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2147943101140.

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, 386991 + ... + 2108470.

It is an arithmetic number, because the mean of its divisors is an integer number (187949463723).

Almost surely, 22147943101140 is an apocalyptic number.

2147943101140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2147943101140 is an abundant number, since it is smaller than the sum of its proper divisors (2362844028212).

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

2147943101140 is a wasteful number, since it uses less digits than its factorization.

2147943101140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2538507 (or 2538505 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

Adding to 2147943101140 its reverse (411013497412), we get a palindrome (2558956598552).

The spelling of 2147943101140 in words is "two trillion, one hundred forty-seven billion, nine hundred forty-three million, one hundred one thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 43037 86074 172148 215185 430370 860740 2495461 4990922 9981844 12477305 24954610 49909220 107397155057 214794310114 429588620228 536985775285 1073971550570 2147943101140