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30542281503 = 3191397134263
BaseRepresentation
bin11100011100011101…
…100011101100011111
32220211112200122202020
4130130131203230133
51000022311002003
622010403031223
72130603052326
oct343435435437
986745618666
1030542281503
1111a5335a168
125b0466b513
132b59832326
14169a4890bd
15bdb544d53
hex71c763b1f

30542281503 has 16 divisors (see below), whose sum is σ = 41039671296. Its totient is φ = 20203745760.

The previous prime is 30542281499. The next prime is 30542281507. The reversal of 30542281503 is 30518224503.

It is an interprime number because it is at equal distance from previous prime (30542281499) and next prime (30542281507).

It is not a de Polignac number, because 30542281503 - 22 = 30542281499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30542281507) 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, 160350 + ... + 294612.

It is an arithmetic number, because the mean of its divisors is an integer number (2564979456).

Almost surely, 230542281503 is an apocalyptic number.

30542281503 is a deficient number, since it is larger than the sum of its proper divisors (10497389793).

30542281503 is a wasteful number, since it uses less digits than its factorization.

30542281503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134854.

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 30542281503 in words is "thirty billion, five hundred forty-two million, two hundred eighty-one thousand, five hundred three".

Divisors: 1 3 191 397 573 1191 75827 134263 227481 402789 25644233 53302411 76932699 159907233 10180760501 30542281503