Search a number
-
+
7153421801 is a prime number
BaseRepresentation
bin1101010100110000…
…01000110111101001
3200110112102110221012
412222120020313221
5104122233444201
63141454353305
7342161040101
oct65230106751
920415373835
107153421801
113040a13749
1214777bb835
138a0032486
144bc096201
152bd0225bb
hex1aa608de9

7153421801 has 2 divisors, whose sum is σ = 7153421802. Its totient is φ = 7153421800.

The previous prime is 7153421747. The next prime is 7153421809. The reversal of 7153421801 is 1081243517.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4771493776 + 2381928025 = 69076^2 + 48805^2 .

It is a cyclic number.

It is not a de Polignac number, because 7153421801 - 210 = 7153420777 is a prime.

It is a super-3 number, since 3×71534218013 (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (7153421809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3576710900 + 3576710901.

It is an arithmetic number, because the mean of its divisors is an integer number (3576710901).

Almost surely, 27153421801 is an apocalyptic number.

It is an amenable number.

7153421801 is a deficient number, since it is larger than the sum of its proper divisors (1).

7153421801 is an equidigital number, since it uses as much as digits as its factorization.

7153421801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 7153421801 is about 84577.9037396884. The cubic root of 7153421801 is about 1926.8057986945.

The spelling of 7153421801 in words is "seven billion, one hundred fifty-three million, four hundred twenty-one thousand, eight hundred one".