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30332313020 = 2252416293011
BaseRepresentation
bin11100001111111100…
…100101110110111100
32220021220121011010202
4130033330211312330
5444110033004040
621533502423032
72122443256322
oct341774456674
986256534122
1030332313020
1111955888799
125a66291a78
132b25197919
14167a62dd12
15bc7dbc015
hex70ff25dbc

30332313020 has 24 divisors (see below), whose sum is σ = 63962173968. Its totient is φ = 12082579200.

The previous prime is 30332313017. The next prime is 30332313049. The reversal of 30332313020 is 2031323303.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 30332312983 and 30332313001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3141686 + ... + 3151325.

It is an arithmetic number, because the mean of its divisors is an integer number (2665090582).

Almost surely, 230332313020 is an apocalyptic number.

It is an amenable number.

30332313020 is an abundant number, since it is smaller than the sum of its proper divisors (33629860948).

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

30332313020 is a wasteful number, since it uses less digits than its factorization.

30332313020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6293261 (or 6293259 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 30332313020 its reverse (2031323303), we get a palindrome (32363636323).

The spelling of 30332313020 in words is "thirty billion, three hundred thirty-two million, three hundred thirteen thousand, twenty".

Divisors: 1 2 4 5 10 20 241 482 964 1205 2410 4820 6293011 12586022 25172044 31465055 62930110 125860220 1516615651 3033231302 6066462604 7583078255 15166156510 30332313020