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4572911381 is a prime number
BaseRepresentation
bin1000100001001000…
…10001011100010101
3102210200201222010012
410100210101130111
533331131131011
62033433210005
7221215051103
oct42044213425
912720658105
104572911381
111a37320005
12a77560905
1357b52452c
14315488c73
151bb6e1a8b
hex110911715

4572911381 has 2 divisors, whose sum is σ = 4572911382. Its totient is φ = 4572911380.

The previous prime is 4572911353. The next prime is 4572911419. The reversal of 4572911381 is 1831192754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4568543281 + 4368100 = 67591^2 + 2090^2 .

It is a cyclic number.

It is not a de Polignac number, because 4572911381 - 210 = 4572910357 is a prime.

It is a super-2 number, since 2×45729113812 = 41823036996958654322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4572911281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2286455690 + 2286455691.

It is an arithmetic number, because the mean of its divisors is an integer number (2286455691).

Almost surely, 24572911381 is an apocalyptic number.

It is an amenable number.

4572911381 is a deficient number, since it is larger than the sum of its proper divisors (1).

4572911381 is an equidigital number, since it uses as much as digits as its factorization.

4572911381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 41.

The square root of 4572911381 is about 67623.3050138782. The cubic root of 4572911381 is about 1659.8324915651.

The spelling of 4572911381 in words is "four billion, five hundred seventy-two million, nine hundred eleven thousand, three hundred eighty-one".