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15421404704306 = 21937191255122511
BaseRepresentation
bin1110000001101001001101…
…0110010110111000110010
32000121021100012122101112112
43200122103112112320302
54010131014101014211
652444255010525322
73151105533112256
oct340322326267062
960537305571475
1015421404704306
114a061a9a14047
121890931296842
1387b303270513
143b4585738266
151bb22d29c88b
hexe0693596e32

15421404704306 has 64 divisors (see below), whose sum is σ = 25149585162240. Its totient is φ = 7067149560000.

The previous prime is 15421404704297. The next prime is 15421404704317. The reversal of 15421404704306 is 60340740412451.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 685049591 + ... + 685072101.

It is an arithmetic number, because the mean of its divisors is an integer number (392962268160).

Almost surely, 215421404704306 is an apocalyptic number.

15421404704306 is a deficient number, since it is larger than the sum of its proper divisors (9728180457934).

15421404704306 is a wasteful number, since it uses less digits than its factorization.

15421404704306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25311.

The product of its (nonzero) digits is 322560, while the sum is 41.

The spelling of 15421404704306 in words is "fifteen trillion, four hundred twenty-one billion, four hundred four million, seven hundred four thousand, three hundred six".

Divisors: 1 2 19 37 38 74 191 382 703 1406 2551 3629 5102 7067 7258 14134 22511 45022 48469 94387 96938 134273 188774 268546 427709 487241 832907 855418 974482 1665814 1793353 3586706 4299601 8599202 9257579 15825233 18027917 18515158 31650466 36055834 57425561 81692419 114851122 159085237 163384838 318170474 342530423 685060846 1091085659 2124745757 2182171318 3022619503 4249491514 6045239006 10968282151 21936564302 40370169383 80740338766 208397360869 405826439587 416794721738 811652879174 7710702352153 15421404704306