Search a number
-
+
2140004030240 = 255122310936243
BaseRepresentation
bin11111001001000010001…
…011100001011100100000
321120120201120010111011102
4133021002023201130200
5240030212012431430
64315034305133532
7310416203061236
oct37110213413440
97516646114142
102140004030240
117556305379aa
122a68b702a2a8
13126a55c0790b
147581084a956
153a9ee248345
hex1f2422e1720

2140004030240 has 48 divisors (see below), whose sum is σ = 5059893883968. Its totient is φ = 855301614336.

The previous prime is 2140004030237. The next prime is 2140004030261. The reversal of 2140004030240 is 420304000412.

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

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 7 ways as a sum of consecutive naturals, for example, 5272442 + ... + 5663801.

It is an arithmetic number, because the mean of its divisors is an integer number (105414455916).

Almost surely, 22140004030240 is an apocalyptic number.

2140004030240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2140004030240 is an abundant number, since it is smaller than the sum of its proper divisors (2919889853728).

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

2140004030240 is a wasteful number, since it uses less digits than its factorization.

2140004030240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10937481 (or 10937473 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 2140004030240 its reverse (420304000412), we get a palindrome (2560308030652).

The spelling of 2140004030240 in words is "two trillion, one hundred forty billion, four million, thirty thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 1223 2446 4892 6115 9784 12230 19568 24460 39136 48920 97840 195680 10936243 21872486 43744972 54681215 87489944 109362430 174979888 218724860 349959776 437449720 874899440 1749798880 13375025189 26750050378 53500100756 66875125945 107000201512 133750251890 214000403024 267500503780 428000806048 535001007560 1070002015120 2140004030240