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30148349907 = 3132972292677
BaseRepresentation
bin11100000100111110…
…110100111111010011
32212211002102212012010
4130010332310333103
5443220434144112
621503331434003
72115050513604
oct340476647723
985732385163
1030148349907
1111870a59565
125a14755903
132ac6036c00
141660023dab
15bb6b7e63c
hex704fb4fd3

30148349907 has 48 divisors (see below), whose sum is σ = 44185071840. Its totient is φ = 18274553856.

The previous prime is 30148349897. The next prime is 30148349909. The reversal of 30148349907 is 70994384103.

It is a happy number.

It is not a de Polignac number, because 30148349907 - 26 = 30148349843 is a prime.

It is a super-2 number, since 2×301483499072 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30148349909) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11260653 + ... + 11263329.

It is an arithmetic number, because the mean of its divisors is an integer number (920522330).

Almost surely, 230148349907 is an apocalyptic number.

30148349907 is a deficient number, since it is larger than the sum of its proper divisors (14036721933).

30148349907 is a wasteful number, since it uses less digits than its factorization.

30148349907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3032 (or 3019 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 48.

The spelling of 30148349907 in words is "thirty billion, one hundred forty-eight million, three hundred forty-nine thousand, nine hundred seven".

Divisors: 1 3 13 39 97 169 229 291 507 687 1261 2677 2977 3783 8031 8931 16393 22213 34801 38701 49179 66639 104403 116103 259669 288769 452413 613033 779007 866307 1357239 1839099 3375697 3753997 7969429 10127091 11261991 23908287 43884061 59464201 103602577 131652183 178392603 310807731 773034613 2319103839 10049449969 30148349907