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39683049340 = 2251117531071871
BaseRepresentation
bin100100111101010010…
…110100011101111100
310210102120122202221011
4210331102310131330
51122232330034330
630121413245004
72603245232254
oct447522643574
9123376582834
1039683049340
1115914057350
127835933764
1339854cb2ac
141cc6464964
151073c7a82a
hex93d4b477c

39683049340 has 192 divisors, whose sum is σ = 99043596288. Its totient is φ = 13193523200.

The previous prime is 39683049337. The next prime is 39683049347. The reversal of 39683049340 is 4394038693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39683049347) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21208605 + ... + 21210475.

It is an arithmetic number, because the mean of its divisors is an integer number (515852064).

Almost surely, 239683049340 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 39683049340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49521798144).

39683049340 is an abundant number, since it is smaller than the sum of its proper divisors (59360546948).

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

39683049340 is a wasteful number, since it uses less digits than its factorization.

39683049340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068 (or 2066 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 49.

The spelling of 39683049340 in words is "thirty-nine billion, six hundred eighty-three million, forty-nine thousand, three hundred forty".