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39190208208 = 24323208916993
BaseRepresentation
bin100100011111111010…
…110001111011010000
310202011020021211222220
4210133322301323100
51120230143130313
630000450101040
72555112162534
oct443772617320
9122136254886
1039190208208
111569093a528
12771887a780
133907381818
141c7ac13bc4
151045878823
hex91feb1ed0

39190208208 has 80 divisors (see below), whose sum is σ = 105699960960. Its totient is φ = 12488712192.

The previous prime is 39190208177. The next prime is 39190208219. The reversal of 39190208208 is 80280209193.

It is a self number, because there is not a number n which added to its sum of digits gives 39190208208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2297760 + ... + 2314752.

It is an arithmetic number, because the mean of its divisors is an integer number (1321249512).

Almost surely, 239190208208 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 39190208208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52849980480).

39190208208 is an abundant number, since it is smaller than the sum of its proper divisors (66509752752).

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

39190208208 is a wasteful number, since it uses less digits than its factorization.

39190208208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19116 (or 19110 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The spelling of 39190208208 in words is "thirty-nine billion, one hundred ninety million, two hundred eight thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 12 16 23 24 46 48 69 92 138 184 276 368 552 1104 2089 4178 6267 8356 12534 16712 16993 25068 33424 33986 48047 50136 50979 67972 96094 100272 101958 135944 144141 192188 203916 271888 288282 384376 390839 407832 576564 768752 781678 815664 1153128 1172517 1563356 2306256 2345034 3126712 4690068 6253424 9380136 18760272 35498377 70996754 106495131 141993508 212990262 283987016 425980524 567974032 816462671 851961048 1632925342 1703922096 2449388013 3265850684 4898776026 6531701368 9797552052 13063402736 19595104104 39190208208