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30492643503 = 372474413467
BaseRepresentation
bin11100011001100000…
…001101000010101111
32220201002021210012210
4130121200031002233
5444422104043003
622001431101503
72126431123200
oct343140150257
986632253183
1030492643503
1111a28336423
125aabb11893
132b4c47292a
141693a475a7
15bd6edc503
hex71980d0af

30492643503 has 24 divisors (see below), whose sum is σ = 48300993792. Its totient is φ = 17053632624.

The previous prime is 30492643469. The next prime is 30492643523. The reversal of 30492643503 is 30534629403.

It is not a de Polignac number, because 30492643503 - 26 = 30492643439 is a prime.

It is a super-2 number, since 2×304926435032 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30492643523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2199825 + ... + 2213642.

It is an arithmetic number, because the mean of its divisors is an integer number (2012541408).

Almost surely, 230492643503 is an apocalyptic number.

30492643503 is a deficient number, since it is larger than the sum of its proper divisors (17808350289).

30492643503 is a wasteful number, since it uses less digits than its factorization.

30492643503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4413531 (or 4413524 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 39.

The spelling of 30492643503 in words is "thirty billion, four hundred ninety-two million, six hundred forty-three thousand, five hundred three".

Divisors: 1 3 7 21 47 49 141 147 329 987 2303 6909 4413467 13240401 30894269 92682807 207432949 216259883 622298847 648779649 1452030643 4356091929 10164214501 30492643503