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30097971500 = 225360195943
BaseRepresentation
bin11100000001111110…
…101001100100101100
32212200120122101000012
4130001332221210230
5443120040042000
621454331552352
72113566352022
oct340176514454
985616571005
1030097971500
111184557a513
1259bb8bb6b8
132ab87784bc
14165746c712
15bb252c735
hex701fa992c

30097971500 has 24 divisors (see below), whose sum is σ = 65733970848. Its totient is φ = 12039188400.

The previous prime is 30097971481. The next prime is 30097971571. The reversal of 30097971500 is 517979003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30097472 + ... + 30098471.

It is an arithmetic number, because the mean of its divisors is an integer number (2738915452).

Almost surely, 230097971500 is an apocalyptic number.

It is an amenable number.

30097971500 is an abundant number, since it is smaller than the sum of its proper divisors (35635999348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30097971500 is a wasteful number, since it uses less digits than its factorization.

30097971500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60195962 (or 60195950 counting only the distinct ones).

The product of its (nonzero) digits is 59535, while the sum is 41.

The spelling of 30097971500 in words is "thirty billion, ninety-seven million, nine hundred seventy-one thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 60195943 120391886 240783772 300979715 601959430 1203918860 1504898575 3009797150 6019594300 7524492875 15048985750 30097971500