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16129819370944 = 26498915051581
BaseRepresentation
bin1110101010111000010000…
…1001110110010111000000
32010002222212211211010212101
43222232010021312113000
54103232332224332234
654145534155440144
73253224650324506
oct352560411662700
963088784733771
1016129819370944
115159688593294
121986097a56054
1390005cb28836
143da98a408676
151ce890e5e814
hexeab842765c0

16129819370944 has 28 divisors (see below), whose sum is σ = 32008258201288. Its totient is φ = 8064746438400.

The previous prime is 16129819370939. The next prime is 16129819370999. The reversal of 16129819370944 is 44907391892161.

It is a happy number.

It is a super-2 number, since 2×161298193709442 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 667234 + ... + 5718814.

Almost surely, 216129819370944 is an apocalyptic number.

It is an amenable number.

16129819370944 is a deficient number, since it is larger than the sum of its proper divisors (15878438830344).

16129819370944 is an equidigital number, since it uses as much as digits as its factorization.

16129819370944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5101484 (or 5101474 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 64.

The spelling of 16129819370944 in words is "sixteen trillion, one hundred twenty-nine billion, eight hundred nineteen million, three hundred seventy thousand, nine hundred forty-four".

Divisors: 1 2 4 8 16 32 64 49891 99782 199564 399128 798256 1596512 3193024 5051581 10103162 20206324 40412648 80825296 161650592 323301184 252028427671 504056855342 1008113710684 2016227421368 4032454842736 8064909685472 16129819370944