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4946984720640 = 28345233204781
BaseRepresentation
bin100011111111100111101…
…0001000101100100000000
3122111221000212111220010000
41013333033101011210000
51122022411042030030
614304340255040000
71020256615215354
oct107771721054400
918457025456100
104946984720640
1116380059a84a6
1267a913210000
1329b663720491
141316147d3464
1588a382ba860
hex47fcf445900

4946984720640 has 360 divisors, whose sum is σ = 17777273682168. Its totient is φ = 1313527726080.

The previous prime is 4946984720593. The next prime is 4946984720683. The reversal of 4946984720640 is 460274896494.

4946984720640 is a `hidden beast` number, since 49 + 4 + 69 + 8 + 472 + 0 + 64 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 276406753536 + 4670577967104 = 525744^2 + 2161152^2 .

It is a tau number, because it is divible by the number of its divisors (360).

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 24055050 + ... + 24259830.

Almost surely, 24946984720640 is an apocalyptic number.

4946984720640 is a gapful number since it is divisible by the number (40) 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 4946984720640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8888636841084).

4946984720640 is an abundant number, since it is smaller than the sum of its proper divisors (12830288961528).

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

4946984720640 is a wasteful number, since it uses less digits than its factorization.

4946984720640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205047 (or 205024 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 63.

The spelling of 4946984720640 in words is "four trillion, nine hundred forty-six billion, nine hundred eighty-four million, seven hundred twenty thousand, six hundred forty".