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13071634202640 = 24351331463291899
BaseRepresentation
bin1011111000110111101000…
…0111010000000000010000
31201021122011122220001201210
42332031322013100000100
53203131201323441030
643445005330100120
72516252165312256
oct276157207200020
951248148801653
1013071634202640
11418a715804462
121571453a1a640
1373a85a852680
14332955ab65d6
1517a0534a0bb0
hexbe37a1d0010

13071634202640 has 320 divisors, whose sum is σ = 45144310579200. Its totient is φ = 3107102423040.

The previous prime is 13071634202639. The next prime is 13071634202657. The reversal of 13071634202640 is 4620243617031.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 44635411 + ... + 44927309.

It is an arithmetic number, because the mean of its divisors is an integer number (141075970560).

Almost surely, 213071634202640 is an apocalyptic number.

13071634202640 is a gapful number since it is divisible by the number (10) 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 13071634202640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22572155289600).

13071634202640 is an abundant number, since it is smaller than the sum of its proper divisors (32072676376560).

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

13071634202640 is a wasteful number, since it uses less digits than its factorization.

13071634202640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292422 (or 292416 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 39.

Adding to 13071634202640 its reverse (4620243617031), we get a palindrome (17691877819671).

The spelling of 13071634202640 in words is "thirteen trillion, seventy-one billion, six hundred thirty-four million, two hundred two thousand, six hundred forty".