Search a number
-
+
159230621871 = 322910717213313
BaseRepresentation
bin1001010001001011100…
…0100111100010101111
3120020000001111200121200
42110102320213202233
510102101014344441
6201052144500543
714334611645166
oct2242270474257
9506001450550
10159230621871
1161590597a72
1226a3a01a753
1312027a48aa9
1479c767a3dd
15421e1637b6
hex2512e278af

159230621871 has 48 divisors (see below), whose sum is σ = 240366540960. Its totient is φ = 101445765120.

The previous prime is 159230621857. The next prime is 159230621971. The reversal of 159230621871 is 178126032951.

159230621871 is a `hidden beast` number, since 1 + 592 + 30 + 6 + 21 + 8 + 7 + 1 = 666.

159230621871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 159230621871 - 225 = 159197067439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159230621071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48060711 + ... + 48064023.

It is an arithmetic number, because the mean of its divisors is an integer number (5007636270).

Almost surely, 2159230621871 is an apocalyptic number.

159230621871 is a deficient number, since it is larger than the sum of its proper divisors (81135919089).

159230621871 is a wasteful number, since it uses less digits than its factorization.

159230621871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5176 (or 5173 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The spelling of 159230621871 in words is "one hundred fifty-nine billion, two hundred thirty million, six hundred twenty-one thousand, eight hundred seventy-one".

Divisors: 1 3 9 29 87 107 261 321 963 1721 3103 3313 5163 9309 9939 15489 27927 29817 49909 96077 149727 184147 288231 354491 449181 552441 864693 1063473 1657323 3190419 5340263 5701673 10280239 16020789 17105019 30840717 48062367 51315057 92522151 165348517 496045551 610079011 1488136653 1830237033 5490711099 17692291319 53076873957 159230621871