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228745609894900 = 22527670948707623
BaseRepresentation
bin110100000000101011111100…
…110100100101101111110100
31002222220212101212001002102001
4310000223330310211233310
5214440232002113114100
62130300141003225044
766116216312031010
oct6400537464455764
91088825355032361
10228745609894900
116698151744432a
12217a4521b18184
139a83806996497
14406b4bd095540
151b6a2e91a5d6a
hexd00afcd25bf4

228745609894900 has 72 divisors (see below), whose sum is σ = 567373680621440. Its totient is φ = 78415374810240.

The previous prime is 228745609894883. The next prime is 228745609894933. The reversal of 228745609894900 is 9498906547822.

It is a hoax number, since the sum of its digits (73) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19657512 + ... + 29050111.

Almost surely, 2228745609894900 is an apocalyptic number.

228745609894900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228745609894900 is an abundant number, since it is smaller than the sum of its proper divisors (338628070726540).

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

228745609894900 is a wasteful number, since it uses less digits than its factorization.

228745609894900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48714353 (or 48714346 counting only the distinct ones).

The product of its (nonzero) digits is 627056640, while the sum is 73.

The spelling of 228745609894900 in words is "two hundred twenty-eight trillion, seven hundred forty-five billion, six hundred nine million, eight hundred ninety-four thousand, nine hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 350 700 6709 13418 26836 33545 46963 67090 93926 134180 167725 187852 234815 335450 469630 670900 939260 1174075 2348150 4696300 48707623 97415246 194830492 243538115 340953361 487076230 681906722 974152460 1217690575 1363813444 1704766805 2435381150 3409533610 4870762300 6819067220 8523834025 17047668050 34095336100 326779442707 653558885414 1307117770828 1633897213535 2287456098949 3267794427070 4574912197898 6535588854140 8169486067675 9149824395796 11437280494745 16338972135350 22874560989490 32677944270700 45749121978980 57186402473725 114372804947450 228745609894900