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30204531772 = 2241918021797
BaseRepresentation
bin11100001000010101…
…001001010000111100
32212222000011012012221
4130020111021100330
5443324330004042
621513055535124
72116332166252
oct341025112074
985860135187
1030204531772
111189a741858
125a2b52a4a4
132b0487800c
14166768a5d2
15bbba7ad67
hex70854943c

30204531772 has 12 divisors (see below), whose sum is σ = 52984086120. Its totient is φ = 15066221456.

The previous prime is 30204531767. The next prime is 30204531899. The reversal of 30204531772 is 27713540203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9009223 + ... + 9012574.

It is an arithmetic number, because the mean of its divisors is an integer number (4415340510).

Almost surely, 230204531772 is an apocalyptic number.

It is an amenable number.

30204531772 is a deficient number, since it is larger than the sum of its proper divisors (22779554348).

30204531772 is a wasteful number, since it uses less digits than its factorization.

30204531772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18022220 (or 18022218 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 34.

The spelling of 30204531772 in words is "thirty billion, two hundred four million, five hundred thirty-one thousand, seven hundred seventy-two".

Divisors: 1 2 4 419 838 1676 18021797 36043594 72087188 7551132943 15102265886 30204531772