Search a number
-
+
161461100130 = 23511643760927
BaseRepresentation
bin1001011001011111010…
…1001101111001100010
3120102202111112201120120
42112113311031321202
510121133020201010
6202101343421110
714444104464231
oct2262765157142
9512674481516
10161461100130
1162525644330
1227360bb4796
13122c1b8c005
147b599acb18
1542eeda0e70
hex2597d4de62

161461100130 has 64 divisors (see below), whose sum is σ = 423392514048. Its totient is φ = 39081159360.

The previous prime is 161461100069. The next prime is 161461100167. The reversal of 161461100130 is 31001164161.

It is a super-3 number, since 3×1614611001303 (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 161461100130.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 168274 + ... + 592653.

It is an arithmetic number, because the mean of its divisors is an integer number (6615508032).

Almost surely, 2161461100130 is an apocalyptic number.

161461100130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161461100130 is an abundant number, since it is smaller than the sum of its proper divisors (261931413918).

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

161461100130 is a wasteful number, since it uses less digits than its factorization.

161461100130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761591.

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 161461100130 its reverse (31001164161), we get a palindrome (192462264291).

The spelling of 161461100130 in words is "one hundred sixty-one billion, four hundred sixty-one million, one hundred thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 643 1286 1929 3215 3858 6430 7073 9645 14146 19290 21219 35365 42438 70730 106095 212190 760927 1521854 2282781 3804635 4565562 7609270 8370197 11413905 16740394 22827810 25110591 41850985 50221182 83701970 125552955 251105910 489276061 978552122 1467828183 2446380305 2935656366 4892760610 5382036671 7339140915 10764073342 14678281830 16146110013 26910183355 32292220026 53820366710 80730550065 161461100130