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1230770473 is a prime number
BaseRepresentation
bin100100101011100…
…0001000100101001
310011202220121200121
41021113001010221
510010034123343
6322043403241
742333243052
oct11127010451
93152817617
101230770473
11581813089
122a4223521
13167ca906a
14b965d729
15730b7aed
hex495c1129

1230770473 has 2 divisors, whose sum is σ = 1230770474. Its totient is φ = 1230770472.

The previous prime is 1230770447. The next prime is 1230770477. The reversal of 1230770473 is 3740770321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1230395929 + 374544 = 35077^2 + 612^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230770473 - 25 = 1230770441 is a prime.

It is not a weakly prime, because it can be changed into another prime (1230770477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615385236 + 615385237.

It is an arithmetic number, because the mean of its divisors is an integer number (615385237).

Almost surely, 21230770473 is an apocalyptic number.

It is an amenable number.

1230770473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230770473 is an equidigital number, since it uses as much as digits as its factorization.

1230770473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24696, while the sum is 34.

The square root of 1230770473 is about 35082.3384767891. The cubic root of 1230770473 is about 1071.6649402223.

The spelling of 1230770473 in words is "one billion, two hundred thirty million, seven hundred seventy thousand, four hundred seventy-three".