Search a number
-
+
43130013140 = 22541271194087
BaseRepresentation
bin101000001010101111…
…111100010111010100
311010022210201200100002
4220022233330113110
51201312240410030
631451425510432
73054542030354
oct501257742724
9133283650302
1043130013140
111732284a265
1284381a2418
1340b4688546
142132178b64
1511c66ad245
hexa0abfc5d4

43130013140 has 48 divisors (see below), whose sum is σ = 93124975104. Its totient is φ = 16769030400.

The previous prime is 43130013137. The next prime is 43130013161. The reversal of 43130013140 is 4131003134.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125177 + ... + 319263.

It is an arithmetic number, because the mean of its divisors is an integer number (1940103648).

Almost surely, 243130013140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43130013140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46562487552).

43130013140 is an abundant number, since it is smaller than the sum of its proper divisors (49994961964).

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

43130013140 is a wasteful number, since it uses less digits than its factorization.

43130013140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194408 (or 194406 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 43130013140 its reverse (4131003134), we get a palindrome (47261016274).

The spelling of 43130013140 in words is "forty-three billion, one hundred thirty million, thirteen thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 41 82 164 205 271 410 542 820 1084 1355 2710 5420 11111 22222 44444 55555 111110 194087 222220 388174 776348 970435 1940870 3881740 7957567 15915134 31830268 39787835 52597577 79575670 105195154 159151340 210390308 262987885 525975770 1051951540 2156500657 4313001314 8626002628 10782503285 21565006570 43130013140