Search a number
-
+
7040180531 is a prime number
BaseRepresentation
bin1101000111010000…
…01010000100110011
3200011122100020010002
412203220022010303
5103404241234111
63122331300215
7336314355446
oct64350120463
920148306102
107040180531
112a92aa891a
1214458aa66b
138827339c7
144ab01965d
152b310463b
hex1a3a0a133

7040180531 has 2 divisors, whose sum is σ = 7040180532. Its totient is φ = 7040180530.

The previous prime is 7040180491. The next prime is 7040180549. The reversal of 7040180531 is 1350810407.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7040180531 - 210 = 7040179507 is a prime.

It is a super-2 number, since 2×70401805312 = 99128283818142883922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7040180494 and 7040180503.

It is not a weakly prime, because it can be changed into another prime (7040180551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3520090265 + 3520090266.

It is an arithmetic number, because the mean of its divisors is an integer number (3520090266).

Almost surely, 27040180531 is an apocalyptic number.

7040180531 is a deficient number, since it is larger than the sum of its proper divisors (1).

7040180531 is an equidigital number, since it uses as much as digits as its factorization.

7040180531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 7040180531 is about 83905.7836564322. The cubic root of 7040180531 is about 1916.5843252574.

Adding to 7040180531 its reverse (1350810407), we get a palindrome (8390990938).

The spelling of 7040180531 in words is "seven billion, forty million, one hundred eighty thousand, five hundred thirty-one".