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39420309360 = 2435414006129
BaseRepresentation
bin100100101101101000…
…100010111101110000
310202202021021012102210
4210231220202331300
51121213044344420
630035350012120
72563605046425
oct445550427560
9122667235383
1039420309360
1115799811973
127781947040
133942c47b53
141c9d5cdd4c
15105ab7b9e0
hex92da22f70

39420309360 has 80 divisors (see below), whose sum is σ = 125183550240. Its totient is φ = 10255687680.

The previous prime is 39420309353. The next prime is 39420309443. The reversal of 39420309360 is 6390302493.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1993225 + ... + 2012904.

It is an arithmetic number, because the mean of its divisors is an integer number (1564794378).

Almost surely, 239420309360 is an apocalyptic number.

39420309360 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

39420309360 is an abundant number, since it is smaller than the sum of its proper divisors (85763240880).

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

39420309360 is a wasteful number, since it uses less digits than its factorization.

39420309360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4006186 (or 4006180 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 39.

The spelling of 39420309360 in words is "thirty-nine billion, four hundred twenty million, three hundred nine thousand, three hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 41 48 60 80 82 120 123 164 205 240 246 328 410 492 615 656 820 984 1230 1640 1968 2460 3280 4920 9840 4006129 8012258 12018387 16024516 20030645 24036774 32049032 40061290 48073548 60091935 64098064 80122580 96147096 120183870 160245160 164251289 192294192 240367740 320490320 328502578 480735480 492753867 657005156 821256445 961470960 985507734 1314010312 1642512890 1971015468 2463769335 2628020624 3285025780 3942030936 4927538670 6570051560 7884061872 9855077340 13140103120 19710154680 39420309360