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30053505945 = 352003567063
BaseRepresentation
bin11011111111010101…
…000001101110011001
32212120110222021201210
4123333111001232121
5443022144142240
621450102533333
72112516404601
oct337725015631
985513867653
1030053505945
1111822469921
1259a8a37249
132aac4aa218
1416515b5c01
15bad697780
hex6ff541b99

30053505945 has 8 divisors (see below), whose sum is σ = 48085609536. Its totient is φ = 16028536496.

The previous prime is 30053505943. The next prime is 30053505961. The reversal of 30053505945 is 54950535003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30053505945 - 21 = 30053505943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30053505941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1001783517 + ... + 1001783546.

It is an arithmetic number, because the mean of its divisors is an integer number (6010701192).

Almost surely, 230053505945 is an apocalyptic number.

It is an amenable number.

30053505945 is a deficient number, since it is larger than the sum of its proper divisors (18032103591).

30053505945 is a wasteful number, since it uses less digits than its factorization.

30053505945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2003567071.

The product of its (nonzero) digits is 202500, while the sum is 39.

The spelling of 30053505945 in words is "thirty billion, fifty-three million, five hundred five thousand, nine hundred forty-five".

Divisors: 1 3 5 15 2003567063 6010701189 10017835315 30053505945