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228036163104 = 25321395696347
BaseRepresentation
bin1101010001100000000…
…0111011011000100000
3210210121020021100002200
43110120000323120200
512214004224204404
6252431450213200
722321643255601
oct3243000733040
9723536240080
10228036163104
1188789518532
1238240a24200
131867188c1b9
14b0737a5da8
155de9980839
hex351803b620

228036163104 has 72 divisors (see below), whose sum is σ = 653143261680. Its totient is φ = 75465191808.

The previous prime is 228036163087. The next prime is 228036163109. The reversal of 228036163104 is 401361630822.

228036163104 is a `hidden beast` number, since 2 + 2 + 8 + 0 + 3 + 616 + 31 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (228036163109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2808142 + ... + 2888205.

It is an arithmetic number, because the mean of its divisors is an integer number (9071434190).

Almost surely, 2228036163104 is an apocalyptic number.

228036163104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

228036163104 is an abundant number, since it is smaller than the sum of its proper divisors (425107098576).

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

228036163104 is a wasteful number, since it uses less digits than its factorization.

228036163104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5696502 (or 5696491 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

Adding to 228036163104 its reverse (401361630822), we get a palindrome (629397793926).

The spelling of 228036163104 in words is "two hundred twenty-eight billion, thirty-six million, one hundred sixty-three thousand, one hundred four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 139 144 278 288 417 556 834 1112 1251 1668 2224 2502 3336 4448 5004 6672 10008 13344 20016 40032 5696347 11392694 17089041 22785388 34178082 45570776 51267123 68356164 91141552 102534246 136712328 182283104 205068492 273424656 410136984 546849312 791792233 820273968 1583584466 1640547936 2375376699 3167168932 4750753398 6334337864 7126130097 9501506796 12668675728 14252260194 19003013592 25337351456 28504520388 38006027184 57009040776 76012054368 114018081552 228036163104