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30002012019 = 327476222413
BaseRepresentation
bin11011111100010000…
…100101111101110011
32212102220002010100100
4123330100211331303
5442421003341034
621441023123443
72111322615540
oct337420457563
985386063310
1030002012019
11117a6398761
125993743583
132aa191ab45
14164880dbc7
15ba8dc5099
hex6fc425f73

30002012019 has 12 divisors (see below), whose sum is σ = 49527131056. Its totient is φ = 17144006832.

The previous prime is 30002011999. The next prime is 30002012057. The reversal of 30002012019 is 91021020003.

It is a happy number.

It is not a de Polignac number, because 30002012019 - 217 = 30001880947 is a prime.

It is a super-2 number, since 2×300020120192 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30002011992 and 30002012010.

It is not an unprimeable number, because it can be changed into a prime (30002012099) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 238111144 + ... + 238111269.

Almost surely, 230002012019 is an apocalyptic number.

30002012019 is a deficient number, since it is larger than the sum of its proper divisors (19525119037).

30002012019 is a wasteful number, since it uses less digits than its factorization.

30002012019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476222426 (or 476222423 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The spelling of 30002012019 in words is "thirty billion, two million, twelve thousand, nineteen".

Divisors: 1 3 7 9 21 63 476222413 1428667239 3333556891 4286001717 10000670673 30002012019