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30523123002 = 23191017726309
BaseRepresentation
bin11100011011010100…
…011110010100111010
32220210012122022020010
4130123110132110322
51000002404414002
622004440242350
72130251156541
oct343324362472
986705568203
1030523123002
1111a43564099
125aba1703b6
132b55884c38
141697add158
15bd9a0d46c
hex71b51e53a

30523123002 has 32 divisors (see below), whose sum is σ = 64267963200. Its totient is φ = 9637567488.

The previous prime is 30523122997. The next prime is 30523123013. The reversal of 30523123002 is 20032132503.

It is a super-2 number, since 2×305231230022 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30523123002.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1147024 + ... + 1173332.

It is an arithmetic number, because the mean of its divisors is an integer number (2008373850).

Almost surely, 230523123002 is an apocalyptic number.

30523123002 is an abundant number, since it is smaller than the sum of its proper divisors (33744840198).

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

30523123002 is a wasteful number, since it uses less digits than its factorization.

30523123002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36510.

The product of its (nonzero) digits is 1080, while the sum is 21.

Adding to 30523123002 its reverse (20032132503), we get a palindrome (50555255505).

The spelling of 30523123002 in words is "thirty billion, five hundred twenty-three million, one hundred twenty-three thousand, two".

Divisors: 1 2 3 6 19 38 57 114 10177 20354 26309 30531 52618 61062 78927 157854 193363 386726 499871 580089 999742 1160178 1499613 2999226 267746693 535493386 803240079 1606480158 5087187167 10174374334 15261561501 30523123002