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228412908912 = 24319318079121
BaseRepresentation
bin1101010010111001111…
…0000110010101110000
3210211120111012000012010
43110232132012111300
512220242201041122
6252533105202520
722334166456066
oct3245636062560
9724514160163
10228412908912
1188962150201
1238327030440
131870194b106
14b0ab836036
155e1ca9de0c
hex352e786570

228412908912 has 80 divisors (see below), whose sum is σ = 641159121920. Its totient is φ = 69803596800.

The previous prime is 228412908869. The next prime is 228412908917. The reversal of 228412908912 is 219809214822.

228412908912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228412908917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4011289 + ... + 4067832.

It is an arithmetic number, because the mean of its divisors is an integer number (8014489024).

Almost surely, 2228412908912 is an apocalyptic number.

It is an amenable number.

228412908912 is an abundant number, since it is smaller than the sum of its proper divisors (412746213008).

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

228412908912 is a wasteful number, since it uses less digits than its factorization.

228412908912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8079182 (or 8079176 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 48.

The spelling of 228412908912 in words is "two hundred twenty-eight billion, four hundred twelve million, nine hundred eight thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 19 24 31 38 48 57 62 76 93 114 124 152 186 228 248 304 372 456 496 589 744 912 1178 1488 1767 2356 3534 4712 7068 9424 14136 28272 8079121 16158242 24237363 32316484 48474726 64632968 96949452 129265936 153503299 193898904 250452751 307006598 387797808 460509897 500905502 614013196 751358253 921019794 1001811004 1228026392 1502716506 1842039588 2003622008 2456052784 3005433012 3684079176 4007244016 4758602269 6010866024 7368158352 9517204538 12021732048 14275806807 19034409076 28551613614 38068818152 57103227228 76137636304 114206454456 228412908912