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30155001469 is a prime number
BaseRepresentation
bin11100000101011000…
…001100111001111101
32212211112221210102021
4130011120030321331
5443224140021334
621504130200141
72115161166115
oct340530147175
985745853367
1030155001469
1111874791a1a
125a16a23051
132ac7525648
141660c76045
15bb75453b4
hex70560ce7d

30155001469 has 2 divisors, whose sum is σ = 30155001470. Its totient is φ = 30155001468.

The previous prime is 30155001463. The next prime is 30155001521. The reversal of 30155001469 is 96410055103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30138696025 + 16305444 = 173605^2 + 4038^2 .

It is an emirp because it is prime and its reverse (96410055103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30155001469 - 217 = 30154870397 is a prime.

It is a super-2 number, since 2×301550014692 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30155001463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15077500734 + 15077500735.

It is an arithmetic number, because the mean of its divisors is an integer number (15077500735).

Almost surely, 230155001469 is an apocalyptic number.

It is an amenable number.

30155001469 is a deficient number, since it is larger than the sum of its proper divisors (1).

30155001469 is an equidigital number, since it uses as much as digits as its factorization.

30155001469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 34.

The spelling of 30155001469 in words is "thirty billion, one hundred fifty-five million, one thousand, four hundred sixty-nine".