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30490119212 = 22737191154087
BaseRepresentation
bin11100011001010110…
…100100110000101100
32220200220112112112112
4130121112210300230
5444420432303322
622001301023152
72126400510560
oct343126446054
986626475475
1030490119212
1111a26971933
125aab0b4ab8
132b4ba9a977
14169358b6a0
15bd6b8e5e2
hex7195a4c2c

30490119212 has 48 divisors (see below), whose sum is σ = 62956658688. Its totient is φ = 12647378880.

The previous prime is 30490119199. The next prime is 30490119221. The reversal of 30490119212 is 21291109403.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120833 + ... + 274919.

It is an arithmetic number, because the mean of its divisors is an integer number (1311597056).

Almost surely, 230490119212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30490119212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31478329344).

30490119212 is an abundant number, since it is smaller than the sum of its proper divisors (32466539476).

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

30490119212 is a wasteful number, since it uses less digits than its factorization.

30490119212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154326 (or 154324 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 32.

The spelling of 30490119212 in words is "thirty billion, four hundred ninety million, one hundred nineteen thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 37 74 148 191 259 382 518 764 1036 1337 2674 5348 7067 14134 28268 49469 98938 154087 197876 308174 616348 1078609 2157218 4314436 5701219 11402438 22804876 29430617 39908533 58861234 79817066 117722468 159634132 206014319 412028638 824057276 1088932829 2177865658 4355731316 7622529803 15245059606 30490119212