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30202421320 = 2356191219807
BaseRepresentation
bin11100001000001101…
…000110000001001000
32212221212011222020001
4130020031012001020
5443323304440240
621512542412344
72116305226321
oct341015060110
985855158201
1030202421320
1111899530185
125a2a8910b4
132b042b9526
14166729b448
15bbb7b089a
hex708346048

30202421320 has 32 divisors (see below), whose sum is σ = 68065286400. Its totient is φ = 12061441728.

The previous prime is 30202421297. The next prime is 30202421363. The reversal of 30202421320 is 2312420203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 585144 + ... + 634663.

It is an arithmetic number, because the mean of its divisors is an integer number (2127040200).

Almost surely, 230202421320 is an apocalyptic number.

It is an amenable number.

30202421320 is an abundant number, since it is smaller than the sum of its proper divisors (37862865080).

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

30202421320 is a wasteful number, since it uses less digits than its factorization.

30202421320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220437 (or 1220433 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 30202421320 its reverse (2312420203), we get a palindrome (32514841523).

The spelling of 30202421320 in words is "thirty billion, two hundred two million, four hundred twenty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 619 1238 2476 3095 4952 6190 12380 24760 1219807 2439614 4879228 6099035 9758456 12198070 24396140 48792280 755060533 1510121066 3020242132 3775302665 6040484264 7550605330 15101210660 30202421320