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30500005530 = 2351735876687
BaseRepresentation
bin11100011001111100…
…010010011010011010
32220201121010211000110
4130121330102122122
5444431000134110
622002252545150
72126550524631
oct343174223232
986647124013
1030500005530
1111a31504645
125ab24821b6
132b50b4c867
141694a02518
15bd7993a20
hex719f1269a

30500005530 has 32 divisors (see below), whose sum is σ = 73623147264. Its totient is φ = 8086319936.

The previous prime is 30500005519. The next prime is 30500005537. The reversal of 30500005530 is 3550000503.

It is a junction number, because it is equal to n+sod(n) for n = 30500005497 and 30500005506.

It is not an unprimeable number, because it can be changed into a prime (30500005537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2933154 + ... + 2943533.

It is an arithmetic number, because the mean of its divisors is an integer number (2300723352).

Almost surely, 230500005530 is an apocalyptic number.

30500005530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30500005530 is an abundant number, since it is smaller than the sum of its proper divisors (43123141734).

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

30500005530 is a wasteful number, since it uses less digits than its factorization.

30500005530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5876870.

The product of its (nonzero) digits is 1125, while the sum is 21.

The spelling of 30500005530 in words is "thirty billion, five hundred million, five thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 173 346 519 865 1038 1730 2595 5190 5876687 11753374 17630061 29383435 35260122 58766870 88150305 176300610 1016666851 2033333702 3050000553 5083334255 6100001106 10166668510 15250002765 30500005530