Search a number
-
+
31342754926080 = 29355133171971
BaseRepresentation
bin1110010000001100011011…
…10001100000111000000000
311002222100010110222111100000
413020012031301200320000
513102004430230113310
6150354355101200000
76413303454060063
oct710061561407000
9132870113874300
1031342754926080
119a9442a062aa4
123622529260000
1314647bc294000
147a4dd6d528da
1539546c4ba4c0
hex1c818dc60e00

31342754926080 has 3840 divisors, whose sum is σ = 137828878387200. Its totient is φ = 6782244618240.

The previous prime is 31342754926073. The next prime is 31342754926129. The reversal of 31342754926080 is 8062945724313.

31342754926080 is a `hidden beast` number, since 3 + 1 + 3 + 4 + 2 + 75 + 492 + 6 + 0 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (3840).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 441447252445 + ... + 441447252515.

It is an arithmetic number, because the mean of its divisors is an integer number (35892937080).

It is a 1-persistent number, because it is pandigital, but 2⋅31342754926080 = 62685509852160 is not.

Almost surely, 231342754926080 is an apocalyptic number.

31342754926080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31342754926080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68914439193600).

31342754926080 is an abundant number, since it is smaller than the sum of its proper divisors (106486123461120).

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

31342754926080 is an equidigital number, since it uses as much as digits as its factorization.

31342754926080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 31342754926080 in words is "thirty-one trillion, three hundred forty-two billion, seven hundred fifty-four million, nine hundred twenty-six thousand, eighty".