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30010253421 = 3233114030039
BaseRepresentation
bin11011111100110000…
…000010000001101101
32212110110120211102110
4123330300002001231
5442430111102141
621441515514233
72111452642131
oct337460020155
985413524373
1030010253421
1111800007635
125996458979
132aa3545105
1416499573c1
15ba99a1e16
hex6fcc0206d

30010253421 has 16 divisors (see below), whose sum is σ = 43100282880. Its totient is φ = 18519650160.

The previous prime is 30010253411. The next prime is 30010253431. The reversal of 30010253421 is 12435201003.

It is an interprime number because it is at equal distance from previous prime (30010253411) and next prime (30010253431).

It is not a de Polignac number, because 30010253421 - 229 = 29473382509 is a prime.

It is a super-5 number, since 5×300102534215 (a number of 54 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30010253401) 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, 7012881 + ... + 7017158.

It is an arithmetic number, because the mean of its divisors is an integer number (2693767680).

Almost surely, 230010253421 is an apocalyptic number.

30010253421 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

30010253421 is a deficient number, since it is larger than the sum of its proper divisors (13090029459).

30010253421 is a wasteful number, since it uses less digits than its factorization.

30010253421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14030096.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 30010253421 its reverse (12435201003), we get a palindrome (42445454424).

The spelling of 30010253421 in words is "thirty billion, ten million, two hundred fifty-three thousand, four hundred twenty-one".

Divisors: 1 3 23 31 69 93 713 2139 14030039 42090117 322690897 434931209 968072691 1304793627 10003417807 30010253421