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30030872503 = 198378724197
BaseRepresentation
bin11011111101111110…
…101011111110110111
32212111220101101111011
4123331332223332313
5443000400410003
621443533453051
72112123130102
oct337576537667
985456341434
1030030872503
111181070aaa5
1259a1341187
132aa78b4258
14164c5a3739
15bab6c646d
hex6fdfabfb7

30030872503 has 16 divisors (see below), whose sum is σ = 32034280320. Its totient is φ = 28070650656.

The previous prime is 30030872497. The next prime is 30030872549. The reversal of 30030872503 is 30527803003.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30030872503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30030872603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1229001 + ... + 1253197.

It is an arithmetic number, because the mean of its divisors is an integer number (2002142520).

Almost surely, 230030872503 is an apocalyptic number.

30030872503 is a deficient number, since it is larger than the sum of its proper divisors (2003407817).

30030872503 is a wasteful number, since it uses less digits than its factorization.

30030872503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25086.

The product of its (nonzero) digits is 15120, while the sum is 31.

The spelling of 30030872503 in words is "thirty billion, thirty million, eight hundred seventy-two thousand, five hundred three".

Divisors: 1 19 83 787 1577 14953 24197 65321 459743 1241099 2008351 19043039 38158669 361817741 1580572237 30030872503