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13785970359428 = 2215721952182101
BaseRepresentation
bin1100100010011100101111…
…0111011011110010000100
31210210220222222101200110122
43020213023313123302010
53301332131403000203
645153104245041112
72622001124414261
oct310471367336204
953726888350418
1013785970359428
114435662960913
1216679916b6198
1379001c148707
1435935cd9a268
1518d910e3d538
hexc89cbddbc84

13785970359428 has 12 divisors (see below), whose sum is σ = 24279113404812. Its totient is φ = 6849080815200.

The previous prime is 13785970359373. The next prime is 13785970359439. The reversal of 13785970359428 is 82495307958731.

It can be written as a sum of positive squares in 2 ways, for example, as 2839083461764 + 10946886897664 = 1684958^2 + 3308608^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10976090423 + ... + 10976091678.

It is an arithmetic number, because the mean of its divisors is an integer number (2023259450401).

Almost surely, 213785970359428 is an apocalyptic number.

It is an amenable number.

13785970359428 is a deficient number, since it is larger than the sum of its proper divisors (10493143045384).

13785970359428 is a wasteful number, since it uses less digits than its factorization.

13785970359428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21952182262 (or 21952182260 counting only the distinct ones).

The product of its (nonzero) digits is 457228800, while the sum is 71.

The spelling of 13785970359428 in words is "thirteen trillion, seven hundred eighty-five billion, nine hundred seventy million, three hundred fifty-nine thousand, four hundred twenty-eight".

Divisors: 1 2 4 157 314 628 21952182101 43904364202 87808728404 3446492589857 6892985179714 13785970359428