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30212231232 = 263619254209
BaseRepresentation
bin11100001000110010…
…100001000001000000
32212222112122100220010
4130020302201001000
5443333312344412
621513532544520
72116454504541
oct341062410100
985875570803
1030212231232
11118a4020547
125a32022140
132b06342701
1416686d24c8
15bbc59c33c
hex708ca1040

30212231232 has 56 divisors (see below), whose sum is σ = 80065981600. Its totient is φ = 10054434816.

The previous prime is 30212231221. The next prime is 30212231237. The reversal of 30212231232 is 23213221203.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30212231199 and 30212231208.

It is not an unprimeable number, because it can be changed into a prime (30212231237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8257 + ... + 245952.

Almost surely, 230212231232 is an apocalyptic number.

30212231232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30212231232 is an abundant number, since it is smaller than the sum of its proper divisors (49853750368).

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

30212231232 is a wasteful number, since it uses less digits than its factorization.

30212231232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254843 (or 254833 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 30212231232 its reverse (23213221203), we get a palindrome (53425452435).

The spelling of 30212231232 in words is "thirty billion, two hundred twelve million, two hundred thirty-one thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 619 1238 1857 2476 3714 4952 7428 9904 14856 19808 29712 39616 59424 118848 254209 508418 762627 1016836 1525254 2033672 3050508 4067344 6101016 8134688 12202032 16269376 24404064 48808128 157355371 314710742 472066113 629421484 944132226 1258842968 1888264452 2517685936 3776528904 5035371872 7553057808 10070743744 15106115616 30212231232