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16974064042 = 2134115923137
BaseRepresentation
bin11111100111011101…
…11010100110101010
31121210221200210110121
433303232322212222
5234230330022132
611444153033454
71140430110115
oct176356724652
947727623417
1016974064042
117220464601
1233586b588a
1317a68121a0
14b7048b57c
156952a2497
hex3f3bba9aa

16974064042 has 16 divisors (see below), whose sum is σ = 28088415432. Its totient is φ = 7643105280.

The previous prime is 16974063973. The next prime is 16974064049. The reversal of 16974064042 is 24046047961.

It can be written as a sum of positive squares in 4 ways, for example, as 6730397521 + 10243666521 = 82039^2 + 101211^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16974064042.

It is not an unprimeable number, because it can be changed into a prime (16974064049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7960503 + ... + 7962634.

Almost surely, 216974064042 is an apocalyptic number.

16974064042 is a deficient number, since it is larger than the sum of its proper divisors (11114351390).

16974064042 is a wasteful number, since it uses less digits than its factorization.

16974064042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15923193.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 16974064042 in words is "sixteen billion, nine hundred seventy-four million, sixty-four thousand, forty-two".

Divisors: 1 2 13 26 41 82 533 1066 15923137 31846274 207000781 414001562 652848617 1305697234 8487032021 16974064042