Search a number
-
+
43102340540 = 2257683450767
BaseRepresentation
bin101000001001000110…
…011000010110111100
311010020212122202122222
4220021012120112330
51201233144344130
631445000424512
73054054564260
oct501106302674
9133225582588
1043102340540
1117309169446
12842aa78138
1340aba19a1c
14212c6140a0
1511c4043ce5
hexa091985bc

43102340540 has 48 divisors (see below), whose sum is σ = 103597304832. Its totient is φ = 14756275776.

The previous prime is 43102340537. The next prime is 43102340543. The reversal of 43102340540 is 4504320134.

It is an interprime number because it is at equal distance from previous prime (43102340537) and next prime (43102340543).

It is a super-2 number, since 2×431023405402 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43102340543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129764 + ... + 321003.

It is an arithmetic number, because the mean of its divisors is an integer number (2158277184).

Almost surely, 243102340540 is an apocalyptic number.

It is an amenable number.

43102340540 is an abundant number, since it is smaller than the sum of its proper divisors (60494964292).

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

43102340540 is a wasteful number, since it uses less digits than its factorization.

43102340540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451466 (or 451464 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 43102340540 its reverse (4504320134), we get a palindrome (47606660674).

The spelling of 43102340540 in words is "forty-three billion, one hundred two million, three hundred forty thousand, five hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 683 1366 2732 3415 4781 6830 9562 13660 19124 23905 47810 95620 450767 901534 1803068 2253835 3155369 4507670 6310738 9015340 12621476 15776845 31553690 63107380 307873861 615747722 1231495444 1539369305 2155117027 3078738610 4310234054 6157477220 8620468108 10775585135 21551170270 43102340540