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3009107972 = 2213191302971
BaseRepresentation
bin1011001101011011…
…0101100000000100
321202201011112010102
42303112311200010
522130312423342
61214331343232
7134365665353
oct26326654004
97681145112
103009107972
1113046213a2
126bb8b1b18
1338c553080
142078d799a
15129292832
hexb35b5804

3009107972 has 24 divisors (see below), whose sum is σ = 5700721152. Its totient is φ = 1381543200.

The previous prime is 3009107971. The next prime is 3009107987. The reversal of 3009107972 is 2797019003.

It is not an unprimeable number, because it can be changed into a prime (3009107971) 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, 141554 + ... + 161417.

It is an arithmetic number, because the mean of its divisors is an integer number (237530048).

Almost surely, 23009107972 is an apocalyptic number.

It is an amenable number.

3009107972 is a deficient number, since it is larger than the sum of its proper divisors (2691613180).

3009107972 is a wasteful number, since it uses less digits than its factorization.

3009107972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303179 (or 303177 counting only the distinct ones).

The product of its (nonzero) digits is 23814, while the sum is 38.

The square root of 3009107972 is about 54855.3367686317. The cubic root of 3009107972 is about 1443.7076478097.

The spelling of 3009107972 in words is "three billion, nine million, one hundred seven thousand, nine hundred seventy-two".

Divisors: 1 2 4 13 26 52 191 382 764 2483 4966 9932 302971 605942 1211884 3938623 7877246 15754492 57867461 115734922 231469844 752276993 1504553986 3009107972