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16197630080 = 275122920593
BaseRepresentation
bin11110001010111010…
…00011100010000000
31112210211200212022012
433011131003202000
5231133043130310
611235135232052
71112251404212
oct170535034200
945724625265
1016197630080
11696215a245
123180678628
1316b19c08c8
14ad92d85b2
1564c032c05
hex3c5743880

16197630080 has 64 divisors (see below), whose sum is σ = 38755848600. Its totient is φ = 6473465856.

The previous prime is 16197630049. The next prime is 16197630103. The reversal of 16197630080 is 8003679161.

It can be written as a sum of positive squares in 4 ways, for example, as 15673036864 + 524593216 = 125192^2 + 22904^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 776264 + ... + 796856.

Almost surely, 216197630080 is an apocalyptic number.

16197630080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16197630080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19377924300).

16197630080 is an abundant number, since it is smaller than the sum of its proper divisors (22558218520).

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

16197630080 is a wasteful number, since it uses less digits than its factorization.

16197630080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21841 (or 21829 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The spelling of 16197630080 in words is "sixteen billion, one hundred ninety-seven million, six hundred thirty thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 1229 2458 4916 6145 9832 12290 19664 20593 24580 39328 41186 49160 78656 82372 98320 102965 157312 164744 196640 205930 329488 393280 411860 658976 786560 823720 1317952 1647440 2635904 3294880 6589760 13179520 25308797 50617594 101235188 126543985 202470376 253087970 404940752 506175940 809881504 1012351880 1619763008 2024703760 3239526016 4049407520 8098815040 16197630080