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70140493578240 = 2143253123313171
BaseRepresentation
bin11111111001010110110110…
…01101000100000000000000
3100012100100212121002000121100
433330223123031010000000
533143140212324000430
6405102033052254400
720526324550241661
oct1774533315040000
9305310777060540
1070140493578240
112039246407a968
127a49845471400
13301a2b2912b17
141346b64857368
158197adc12960
hex3fcadb344000

70140493578240 has 720 divisors, whose sum is σ = 252086066459136. Its totient is φ = 18021718425600.

The previous prime is 70140493578229. The next prime is 70140493578241. The reversal of 70140493578240 is 4287539404107.

70140493578240 is a `hidden beast` number, since 7 + 0 + 1 + 4 + 0 + 49 + 3 + 578 + 24 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is not an unprimeable number, because it can be changed into a prime (70140493578241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5325366855 + ... + 5325380025.

Almost surely, 270140493578240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70140493578240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126043033229568).

70140493578240 is an abundant number, since it is smaller than the sum of its proper divisors (181945572880896).

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

70140493578240 is a wasteful number, since it uses less digits than its factorization.

70140493578240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13474 (or 13445 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 70140493578240 in words is "seventy trillion, one hundred forty billion, four hundred ninety-three million, five hundred seventy-eight thousand, two hundred forty".