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225730066160 = 2453139779227
BaseRepresentation
bin1101001000111010001…
…1110111011011110000
3210120122111221110210202
43102032203313123300
512144243344104120
6251410550414332
722210541622104
oct3221643673360
9716574843722
10225730066160
1187805812795
12378b86613a8
1318394b90bb1
14acd53cb904
155d122a7875
hex348e8f76f0

225730066160 has 80 divisors (see below), whose sum is σ = 527095165536. Its totient is φ = 89901686784.

The previous prime is 225730066157. The next prime is 225730066187. The reversal of 225730066160 is 61660037522.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24459467 + ... + 24468693.

Almost surely, 2225730066160 is an apocalyptic number.

225730066160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225730066160 is an abundant number, since it is smaller than the sum of its proper divisors (301365099376).

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

225730066160 is a wasteful number, since it uses less digits than its factorization.

225730066160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10530 (or 10524 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 225730066160 in words is "two hundred twenty-five billion, seven hundred thirty million, sixty-six thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 313 626 977 1252 1565 1954 2504 3130 3908 4885 5008 6260 7816 9227 9770 12520 15632 18454 19540 25040 36908 39080 46135 73816 78160 92270 147632 184540 305801 369080 611602 738160 1223204 1529005 2446408 2888051 3058010 4892816 5776102 6116020 9014779 11552204 12232040 14440255 18029558 23104408 24464080 28880510 36059116 45073895 46208816 57761020 72118232 90147790 115522040 144236464 180295580 231044080 360591160 721182320 2821625827 5643251654 11286503308 14108129135 22573006616 28216258270 45146013232 56432516540 112865033080 225730066160