Search a number
-
+
6152990481 = 3211223772
BaseRepresentation
bin1011011101011111…
…10010111100010001
3120212210221022011100
411232233302330101
5100100131143411
62454315535013
7305322361521
oct55657627421
916783838140
106152990481
112678225900
12123875a469
137709a3b91
14425275681
152602a8456
hex16ebf2f11

6152990481 has 27 divisors (see below), whose sum is σ = 9773184603. Its totient is φ = 3727516320.

The previous prime is 6152990479. The next prime is 6152990509. The reversal of 6152990481 is 1840992516.

The square root of 6152990481 is 78441.

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

6152990481 is a `hidden beast` number, since 61 + 5 + 29 + 90 + 481 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2433942225 + 3719048256 = 49335^2 + 60984^2 .

It is not a de Polignac number, because 6152990481 - 21 = 6152990479 is a prime.

It is a super-2 number, since 2×61529904812 = 75718583718553222722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6152990401) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2587365 + ... + 2589741.

Almost surely, 26152990481 is an apocalyptic number.

6152990481 is the 78441-st square number.

6152990481 is the 39221-st centered octagonal number.

It is an amenable number.

6152990481 is a deficient number, since it is larger than the sum of its proper divisors (3620194122).

6152990481 is an equidigital number, since it uses as much as digits as its factorization.

6152990481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4782 (or 2391 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The cubic root of 6152990481 is about 1832.4357148108.

The spelling of 6152990481 in words is "six billion, one hundred fifty-two million, nine hundred ninety thousand, four hundred eighty-one".

Divisors: 1 3 9 11 33 99 121 363 1089 2377 7131 21393 26147 78441 235323 287617 862851 2588553 5650129 16950387 50851161 62151419 186454257 559362771 683665609 2050996827 6152990481