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30332232028 = 22710748720789
BaseRepresentation
bin11100001111111100…
…010010000101011100
32220021220110001001001
4130033330102011130
5444110022411103
621533501000044
72122442501230
oct341774220534
986256401031
1030332232028
111195583295a
125a66253024
132b25169ab7
14167a60c5c0
15bc7da301d
hex70ff1215c

30332232028 has 48 divisors (see below), whose sum is σ = 61360104960. Its totient is φ = 12850975296.

The previous prime is 30332232013. The next prime is 30332232107. The reversal of 30332232028 is 82023223303.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 30332231987 and 30332232005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1448658 + ... + 1469446.

It is an arithmetic number, because the mean of its divisors is an integer number (1278335520).

Almost surely, 230332232028 is an apocalyptic number.

It is an amenable number.

30332232028 is an abundant number, since it is smaller than the sum of its proper divisors (31027872932).

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

30332232028 is a wasteful number, since it uses less digits than its factorization.

30332232028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21394 (or 21392 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

The spelling of 30332232028 in words is "thirty billion, three hundred thirty-two million, two hundred thirty-two thousand, twenty-eight".

Divisors: 1 2 4 7 14 28 107 214 428 487 749 974 1498 1948 2996 3409 6818 13636 20789 41578 52109 83156 104218 145523 208436 291046 364763 582092 729526 1459052 2224423 4448846 8897692 10124243 15570961 20248486 31141922 40496972 62283844 70869701 141739402 283478804 1083294001 2166588002 4333176004 7583058007 15166116014 30332232028