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30505275276 = 223719295911171
BaseRepresentation
bin11100011010010000…
…011000111110001100
32220201222001112202020
4130122100120332030
5444433322302101
622003001530140
72126643363420
oct343220307614
986658045666
1030505275276
1111a34483903
125ab41a3950
132b51c76358
1416955b4b80
15bd8185136
hex71a418f8c

30505275276 has 192 divisors, whose sum is σ = 90091008000. Its totient is φ = 7836514560.

The previous prime is 30505275221. The next prime is 30505275293. The reversal of 30505275276 is 67257250503.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2725171 + ... + 2736341.

It is an arithmetic number, because the mean of its divisors is an integer number (469224000).

Almost surely, 230505275276 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 30505275276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45045504000).

30505275276 is an abundant number, since it is smaller than the sum of its proper divisors (59585732724).

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

30505275276 is a wasteful number, since it uses less digits than its factorization.

30505275276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11292 (or 11290 counting only the distinct ones).

The product of its (nonzero) digits is 441000, while the sum is 42.

The spelling of 30505275276 in words is "thirty billion, five hundred five million, two hundred seventy-five thousand, two hundred seventy-six".