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30221240425232 = 2419311985732429
BaseRepresentation
bin1101101111100011011100…
…10011001101101100010000
310222000010022012120211202112
412313301232103031230100
512430121100022101412
6144135240213204452
76236261340104213
oct667615623155420
9128003265524675
1030221240425232
1196a183539909a
1234810b4330728
1313b2b0a11277c
14766a043a777a
153761ccd3c722
hex1b7c6e4cdb10

30221240425232 has 80 divisors (see below), whose sum is σ = 61841789193600. Its totient is φ = 14267406827520.

The previous prime is 30221240425223. The next prime is 30221240425237. The reversal of 30221240425232 is 23252404212203.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30221240425237) 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, 931903994 + ... + 931936422.

It is an arithmetic number, because the mean of its divisors is an integer number (773022364920).

Almost surely, 230221240425232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30221240425232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30920894596800).

30221240425232 is an abundant number, since it is smaller than the sum of its proper divisors (31620548768368).

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

30221240425232 is a wasteful number, since it uses less digits than its factorization.

30221240425232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42624 (or 42618 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 30221240425232 its reverse (23252404212203), we get a palindrome (53473644637435).

The spelling of 30221240425232 in words is "thirty trillion, two hundred twenty-one billion, two hundred forty million, four hundred twenty-five thousand, two hundred thirty-two".

Divisors: 1 2 4 8 16 19 38 76 152 304 311 622 1244 2488 4976 5909 9857 11818 19714 23636 32429 39428 47272 64858 78856 94544 129716 157712 187283 259432 374566 518864 616151 749132 1232302 1498264 2464604 2996528 3065527 4929208 6131054 9858416 10085419 12262108 20170838 24524216 40341676 49048432 58245013 80683352 116490026 161366704 191622961 232980052 319652653 383245922 465960104 639305306 766491844 931920208 1278610612 1532983688 2557221224 3065967376 5114442448 6073400407 12146800814 24293601628 48587203256 97174406512 99411975083 198823950166 397647900332 795295800664 1590591601328 1888827526577 3777655053154 7555310106308 15110620212616 30221240425232