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30502091499 = 3116719796971
BaseRepresentation
bin11100011010000100…
…001111101011101011
32220201202001210102120
4130122010033223223
5444432013411444
622002405402323
72126604333315
oct343204175353
986652053376
1030502091499
1111a326a9890
125ab31093a3
132b51400169
141694dc67b5
15bd7c56b19
hex71a10faeb

30502091499 has 32 divisors (see below), whose sum is σ = 45058083840. Its totient is φ = 18198391200.

The previous prime is 30502091497. The next prime is 30502091513. The reversal of 30502091499 is 99419020503.

It is not a de Polignac number, because 30502091499 - 21 = 30502091497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30502091499.

It is not an unprimeable number, because it can be changed into a prime (30502091497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4372084 + ... + 4379054.

It is an arithmetic number, because the mean of its divisors is an integer number (1408065120).

Almost surely, 230502091499 is an apocalyptic number.

30502091499 is a deficient number, since it is larger than the sum of its proper divisors (14555992341).

30502091499 is a wasteful number, since it uses less digits than its factorization.

30502091499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9031.

The product of its (nonzero) digits is 87480, while the sum is 42.

The spelling of 30502091499 in words is "thirty billion, five hundred two million, ninety-one thousand, four hundred ninety-nine".

Divisors: 1 3 11 33 67 201 737 1979 2211 5937 6971 20913 21769 65307 76681 132593 230043 397779 467057 1401171 1458523 4375569 5137627 13795609 15412881 41386827 151751699 455255097 924305803 2772917409 10167363833 30502091499