Search a number
-
+
161214016704 = 2631364588949
BaseRepresentation
bin1001011000100100011…
…0101010110011000000
3120102010021121120211120
42112021012222303000
510120131242013304
6202021035512240
714435014350336
oct2261106526300
9512107546746
10161214016704
1162409122954
12272b22b8680
131228292acc0
147b34c51b56
1542d83460d9
hex25891aacc0

161214016704 has 56 divisors (see below), whose sum is σ = 459356612400. Its totient is φ = 49604312064.

The previous prime is 161214016703. The next prime is 161214016709. The reversal of 161214016704 is 407610412161.

It is not an unprimeable number, because it can be changed into a prime (161214016703) 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, 32291979 + ... + 32296970.

It is an arithmetic number, because the mean of its divisors is an integer number (8202796650).

Almost surely, 2161214016704 is an apocalyptic number.

It is an amenable number.

161214016704 is an abundant number, since it is smaller than the sum of its proper divisors (298142595696).

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

161214016704 is a wasteful number, since it uses less digits than its factorization.

161214016704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64588977 (or 64588967 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

Adding to 161214016704 its reverse (407610412161), we get a palindrome (568824428865).

The spelling of 161214016704 in words is "one hundred sixty-one billion, two hundred fourteen million, sixteen thousand, seven hundred four".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 156 192 208 312 416 624 832 1248 2496 64588949 129177898 193766847 258355796 387533694 516711592 775067388 839656337 1033423184 1550134776 1679312674 2066846368 2518969011 3100269552 3358625348 4133692736 5037938022 6200539104 6717250696 10075876044 12401078208 13434501392 20151752088 26869002784 40303504176 53738005568 80607008352 161214016704