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39219284040 = 2335952134327
BaseRepresentation
bin100100100001101001…
…101100100001001000
310202020021000001112120
4210201221230201020
51120310114042130
630003405211240
72555614261656
oct444151544110
9122207001476
1039219284040
11156a6299642
127726560b20
1339103c1c61
141c80a21dd6
1510481bd910
hex921a6c848

39219284040 has 64 divisors (see below), whose sum is σ = 117673637760. Its totient is φ = 10457072640.

The previous prime is 39219284033. The next prime is 39219284099. The reversal of 39219284040 is 4048291293.

It is a super-2 number, since 2×392192840402 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 39219283983 and 39219284001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1125357 + ... + 1159683.

It is an arithmetic number, because the mean of its divisors is an integer number (1838650590).

Almost surely, 239219284040 is an apocalyptic number.

39219284040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

39219284040 is an abundant number, since it is smaller than the sum of its proper divisors (78454353720).

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

39219284040 is a wasteful number, since it uses less digits than its factorization.

39219284040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43862 (or 43858 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The spelling of 39219284040 in words is "thirty-nine billion, two hundred nineteen million, two hundred eighty-four thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 9521 19042 28563 34327 38084 47605 57126 68654 76168 95210 102981 114252 137308 142815 171635 190420 205962 228504 274616 285630 343270 380840 411924 514905 571260 686540 823848 1029810 1142520 1373080 2059620 4119240 326827367 653654734 980482101 1307309468 1634136835 1960964202 2614618936 3268273670 3921928404 4902410505 6536547340 7843856808 9804821010 13073094680 19609642020 39219284040