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228850090980 = 22357277840167
BaseRepresentation
bin1101010100100010000…
…1110100001111100100
3210212200221211011020120
43111020201310033210
512222141110402410
6253044323401540
722351055451300
oct3251041641744
9725627734216
10228850090980
1189066a015a5
12384295232b0
13187713aa724
14b10d918d00
155e46159570
hex35488743e4

228850090980 has 72 divisors (see below), whose sum is σ = 745397448768. Its totient is φ = 52308591552.

The previous prime is 228850090967. The next prime is 228850090991. The reversal of 228850090980 is 89090058822.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38917144 + ... + 38923023.

It is an arithmetic number, because the mean of its divisors is an integer number (10352742344).

Almost surely, 2228850090980 is an apocalyptic number.

228850090980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228850090980 is an abundant number, since it is smaller than the sum of its proper divisors (516547357788).

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

228850090980 is a wasteful number, since it uses less digits than its factorization.

228850090980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77840193 (or 77840184 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 51.

The spelling of 228850090980 in words is "two hundred twenty-eight billion, eight hundred fifty million, ninety thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 49 60 70 84 98 105 140 147 196 210 245 294 420 490 588 735 980 1470 2940 77840167 155680334 233520501 311360668 389200835 467041002 544881169 778401670 934082004 1089762338 1167602505 1556803340 1634643507 2179524676 2335205010 2724405845 3269287014 3814168183 4670410020 5448811690 6538574028 7628336366 8173217535 10897623380 11442504549 15256672732 16346435070 19070840915 22885009098 32692870140 38141681830 45770018196 57212522745 76283363660 114425045490 228850090980