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16255216016400 = 2435213546013347
BaseRepresentation
bin1110110010001011011001…
…1000000101110000010000
32010112222112221201202012110
43230202312120011300100
54112311140300011100
654323313153025320
73265254256245234
oct354426630056020
963488487652173
1016255216016400
1151a7886739a79
1219a6452b55240
1390bb250aa22a
14402a843825c4
151d2c7eabb250
hexec8b6605c10

16255216016400 has 60 divisors (see below), whose sum is σ = 52070875309712. Its totient is φ = 4334724270720.

The previous prime is 16255216016371. The next prime is 16255216016441. The reversal of 16255216016400 is 461061255261.

It is a tau number, because it is divible by the number of its divisors (60).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6773005474 + ... + 6773007873.

Almost surely, 216255216016400 is an apocalyptic number.

16255216016400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16255216016400 is an abundant number, since it is smaller than the sum of its proper divisors (35815659293312).

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

16255216016400 is a wasteful number, since it uses less digits than its factorization.

16255216016400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13546013368 (or 13546013357 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 16255216016400 in words is "sixteen trillion, two hundred fifty-five billion, two hundred sixteen million, sixteen thousand, four hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 150 200 240 300 400 600 1200 13546013347 27092026694 40638040041 54184053388 67730066735 81276080082 108368106776 135460133470 162552160164 203190200205 216736213552 270920266940 325104320328 338650333675 406380400410 541840533880 650208640656 677300667350 812760800820 1015951001025 1083681067760 1354601334700 1625521601640 2031902002050 2709202669400 3251043203280 4063804004100 5418405338800 8127608008200 16255216016400