Search a number
-
+
5248238772491 = 11131911317094071
BaseRepresentation
bin100110001011111001101…
…1010000110000100001011
3200120201121210011100120222
41030113303122012010023
51141441343111204431
615055001350540255
71051113151340621
oct114276332060413
920521553140528
105248238772491
111743846a69490
1270918866768b
132c0ba32b9cb0
141420322d5511
15917baae057b
hex4c5f368610b

5248238772491 has 32 divisors (see below), whose sum is σ = 6547713338880. Its totient is φ = 4135397414400.

The previous prime is 5248238772487. The next prime is 5248238772493. The reversal of 5248238772491 is 1942778328425.

It is a happy number.

5248238772491 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 5248238772491 - 22 = 5248238772487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5248238772493) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8240015 + ... + 8854056.

It is an arithmetic number, because the mean of its divisors is an integer number (204616041840).

Almost surely, 25248238772491 is an apocalyptic number.

5248238772491 is a deficient number, since it is larger than the sum of its proper divisors (1299474566389).

5248238772491 is a wasteful number, since it uses less digits than its factorization.

5248238772491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17094227.

The product of its digits is 54190080, while the sum is 62.

The spelling of 5248238772491 in words is "five trillion, two hundred forty-eight billion, two hundred thirty-eight million, seven hundred seventy-two thousand, four hundred ninety-one".

Divisors: 1 11 13 19 113 143 209 247 1243 1469 2147 2717 16159 23617 27911 307021 17094071 188034781 222222923 324787349 1931630023 2444452153 3572660839 4222235537 21247930253 25111190299 36700970437 46444590907 276223093289 403710674807 477112615681 5248238772491