Search a number
-
+
2910917939040 = 253356151109547
BaseRepresentation
bin101010010111000000001…
…110101100111101100000
3101022021120212122200222000
4222113000032230331200
5340143024443022130
610105131321444000
7420210155142456
oct52270016547540
911267525580860
102910917939040
11a2257131a8a1
123b01a4640600
13181662c45627
14a0c63ca49d6
1550abdc89260
hex2a5c03acf60

2910917939040 has 192 divisors, whose sum is σ = 10189962155520. Its totient is φ = 776111500800.

The previous prime is 2910917938963. The next prime is 2910917939077. The reversal of 2910917939040 is 409397190192.

It is a happy number.

It is a super-2 number, since 2×29109179390402 (a number of 26 digits) contains 22 as substring.

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

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26517547 + ... + 26627093.

It is an arithmetic number, because the mean of its divisors is an integer number (53072719560).

Almost surely, 22910917939040 is an apocalyptic number.

2910917939040 is a gapful number since it is divisible by the number (20) 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 2910917939040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5094981077760).

2910917939040 is an abundant number, since it is smaller than the sum of its proper divisors (7279044216480).

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

2910917939040 is a wasteful number, since it uses less digits than its factorization.

2910917939040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115722 (or 115708 counting only the distinct ones).

The product of its (nonzero) digits is 1102248, while the sum is 54.

The spelling of 2910917939040 in words is "two trillion, nine hundred ten billion, nine hundred seventeen million, nine hundred thirty-nine thousand, forty".