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228858307860 = 2235713311352111
BaseRepresentation
bin1101010100100100000…
…1001010010100010100
3210212201112021121200110
43111021001022110110
512222200211322420
6253045215443020
722351215343230
oct3251101122424
9725645247613
10228858307860
1189070604006
1238430226470
1318772cc67a0
14b110a575c0
155e46c2dee0
hex354904a514

228858307860 has 192 divisors, whose sum is σ = 814122860544. Its totient is φ = 46728921600.

The previous prime is 228858307859. The next prime is 228858307949. The reversal of 228858307860 is 68703858822.

It is a happy number.

It is a super-2 number, since 2×2288583078602 (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 228858307860.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 506796 + ... + 845315.

It is an arithmetic number, because the mean of its divisors is an integer number (4240223232).

Almost surely, 2228858307860 is an apocalyptic number.

228858307860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228858307860 is an abundant number, since it is smaller than the sum of its proper divisors (585264552684).

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

228858307860 is a wasteful number, since it uses less digits than its factorization.

228858307860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352174 (or 1352172 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 57.

The spelling of 228858307860 in words is "two hundred twenty-eight billion, eight hundred fifty-eight million, three hundred seven thousand, eight hundred sixty".