Search a number
-
+
31041413143120 = 2451941809488459
BaseRepresentation
bin1110000111011011001000…
…11001110101101001010000
311001220112022110020211101201
413003231210121311221100
513032040303231034440
6150004121153040544
76352445104141642
oct703554431655120
9131815273224351
1031041413143120
119988653520366
12359404a556154
13144226748b1b3
147945ab934892
1538c6d211619a
hex1c3b64675a50

31041413143120 has 80 divisors (see below), whose sum is σ = 75971746872000. Its totient is φ = 11762756388864.

The previous prime is 31041413143099. The next prime is 31041413143127. The reversal of 31041413143120 is 2134131414013.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31041413143127) 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, 63305451 + ... + 63793909.

It is an arithmetic number, because the mean of its divisors is an integer number (949646835900).

Almost surely, 231041413143120 is an apocalyptic number.

It is an amenable number.

31041413143120 is an abundant number, since it is smaller than the sum of its proper divisors (44930333728880).

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

31041413143120 is a wasteful number, since it uses less digits than its factorization.

31041413143120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530300 (or 530294 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 31041413143120 its reverse (2134131414013), we get a palindrome (33175544557133).

The spelling of 31041413143120 in words is "thirty-one trillion, forty-one billion, four hundred thirteen million, one hundred forty-three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 19 20 38 40 76 80 95 152 190 304 380 760 1520 41809 83618 167236 209045 334472 418090 488459 668944 794371 836180 976918 1588742 1672360 1953836 2442295 3177484 3344720 3907672 3971855 4884590 6354968 7815344 7943710 9280721 9769180 12709936 15887420 18561442 19538360 31774840 37122884 39076720 46403605 63549680 74245768 92807210 148491536 185614420 371228840 742457680 20421982331 40843964662 81687929324 102109911655 163375858648 204219823310 326751717296 388017664289 408439646620 776035328578 816879293240 1552070657156 1633758586480 1940088321445 3104141314312 3880176642890 6208282628624 7760353285780 15520706571560 31041413143120