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122443402000420 = 225163229971168913
BaseRepresentation
bin11011110101110010010011…
…011110110011100000100100
3121001112110211012201022122101
4123311302103132303200210
5112022103041403003140
61112225420005341444
734535146434412504
oct3365622336634044
9531473735638571
10122443402000420
1136017a56377726
1211896427707884
135342495128117
14223441401ba04
15e2507951399a
hex6f5c937b3824

122443402000420 has 96 divisors (see below), whose sum is σ = 260107506529920. Its totient is φ = 48414124984320.

The previous prime is 122443402000417. The next prime is 122443402000441. The reversal of 122443402000420 is 24000204344221.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 724805884 + ... + 724974796.

It is an arithmetic number, because the mean of its divisors is an integer number (2709453193020).

Almost surely, 2122443402000420 is an apocalyptic number.

122443402000420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122443402000420 is an abundant number, since it is smaller than the sum of its proper divisors (137664104529500).

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

122443402000420 is a wasteful number, since it uses less digits than its factorization.

122443402000420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170285 (or 170283 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 122443402000420 its reverse (24000204344221), we get a palindrome (146443606344641).

The spelling of 122443402000420 in words is "one hundred twenty-two trillion, four hundred forty-three billion, four hundred two million, four hundred twenty", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 163 229 326 458 652 815 916 971 1145 1630 1942 2290 3260 3884 4580 4855 9710 19420 37327 74654 149308 158273 168913 186635 222359 316546 337826 373270 444718 633092 675652 746540 791365 844565 889436 1111795 1582730 1689130 2223590 3165460 3378260 4447180 27532819 36244517 38681077 55065638 72489034 77362154 110131276 137664095 144978068 154724308 164014523 181222585 193405385 275328190 328029046 362445170 386810770 550656380 656058092 724890340 773621540 820072615 1640145230 3280290460 6305015551 12610031102 25220062204 26734367249 31525077755 37559325767 53468734498 63050155510 75118651534 106937468996 126100311020 133671836245 150237303068 187796628835 267343672490 375593257670 534687344980 751186515340 6122170100021 12244340200042 24488680400084 30610850500105 61221701000210 122443402000420