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104421721260 = 223579122318013
BaseRepresentation
bin110000101000000000…
…1010000010010101100
3100222112022220001111210
41201100001100102230
53202323430040020
6115545355514420
710354444662063
oct1412001202254
9328468801453
10104421721260
114031538079a
12182a2758a10
139b0190945c
1450a83d11da
152ab25143e0
hex18500504ac

104421721260 has 96 divisors (see below), whose sum is σ = 296340387840. Its totient is φ = 27469308672.

The previous prime is 104421721253. The next prime is 104421721333. The reversal of 104421721260 is 62127124401.

It is a super-2 number, since 2×1044217212602 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5788014 + ... + 5806026.

It is an arithmetic number, because the mean of its divisors is an integer number (3086879040).

Almost surely, 2104421721260 is an apocalyptic number.

104421721260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104421721260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148170193920).

104421721260 is an abundant number, since it is smaller than the sum of its proper divisors (191918666580).

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

104421721260 is a wasteful number, since it uses less digits than its factorization.

104421721260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19327 (or 19325 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

Adding to 104421721260 its reverse (62127124401), we get a palindrome (166548845661).

The spelling of 104421721260 in words is "one hundred four billion, four hundred twenty-one million, seven hundred twenty-one thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 79 158 237 316 395 474 790 948 1185 1223 1580 2370 2446 3669 4740 4892 6115 7338 12230 14676 18013 18345 24460 36026 36690 54039 72052 73380 90065 96617 108078 180130 193234 216156 270195 289851 360260 386468 483085 540390 579702 966170 1080780 1159404 1423027 1449255 1932340 2846054 2898510 4269081 5692108 5797020 7115135 8538162 14230270 17076324 21345405 22029899 28460540 42690810 44059798 66089697 85381620 88119596 110149495 132179394 220298990 264358788 330448485 440597980 660896970 1321793940 1740362021 3480724042 5221086063 6961448084 8701810105 10442172126 17403620210 20884344252 26105430315 34807240420 52210860630 104421721260