Search a number
-
+
159297572641 = 257215532
BaseRepresentation
bin1001010001011011100…
…0000000111100100001
3120020011201111010210211
42110112320000330201
510102220134311031
6201102535454121
714336354012014
oct2242670007441
9506151433724
10159297572641
1161615366089
1226a58527341
131203888a72c
1479d250737b
154224e8abb1
hex2516e00f21

159297572641 has 9 divisors (see below), whose sum is σ = 160022860441. Its totient is φ = 158575562752.

The previous prime is 159297572639. The next prime is 159297572657. The reversal of 159297572641 is 146275792951.

The square root of 159297572641 is 399121.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 6260132641 + 153037440000 = 79121^2 + 391200^2 .

It is not a de Polignac number, because 159297572641 - 21 = 159297572639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159297572671) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 102573321 + ... + 102574873.

Almost surely, 2159297572641 is an apocalyptic number.

159297572641 is the 399121-st square number.

159297572641 is the 199561-st centered octagonal number.

It is an amenable number.

159297572641 is a deficient number, since it is larger than the sum of its proper divisors (725287800).

159297572641 is an frugal number, since it uses more digits than its factorization.

159297572641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3620 (or 1810 counting only the distinct ones).

The product of its digits is 9525600, while the sum is 58.

The spelling of 159297572641 in words is "one hundred fifty-nine billion, two hundred ninety-seven million, five hundred seventy-two thousand, six hundred forty-one".

Divisors: 1 257 1553 66049 399121 2411809 102574097 619834913 159297572641