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30531526050 = 2352808925163
BaseRepresentation
bin11100011011110100…
…100001110110100010
32220210210110020001010
4130123310201312202
51000012032313200
622005340321350
72130412455324
oct343364416642
986723406033
1030531526050
1111a48283463
125b00b43256
132b5753795c
141698c89614
15bda61d150
hex71bd21da2

30531526050 has 48 divisors (see below), whose sum is σ = 75730554720. Its totient is φ = 8140410240.

The previous prime is 30531526043. The next prime is 30531526063. The reversal of 30531526050 is 5062513503.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 30531525999 and 30531526017.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1200769 + ... + 1225931.

It is an arithmetic number, because the mean of its divisors is an integer number (1577719890).

Almost surely, 230531526050 is an apocalyptic number.

30531526050 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30531526050 is an abundant number, since it is smaller than the sum of its proper divisors (45199028670).

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

30531526050 is a wasteful number, since it uses less digits than its factorization.

30531526050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33267 (or 33262 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 30.

The spelling of 30531526050 in words is "thirty billion, five hundred thirty-one million, five hundred twenty-six thousand, fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 8089 16178 24267 25163 40445 48534 50326 75489 80890 121335 125815 150978 202225 242670 251630 377445 404450 606675 629075 754890 1213350 1258150 1887225 3774450 203543507 407087014 610630521 1017717535 1221261042 2035435070 3053152605 5088587675 6106305210 10177175350 15265763025 30531526050