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144899428380 = 22357973556687
BaseRepresentation
bin1000011011110010101…
…1011101000000011100
3111212000021211121222120
42012330223131000130
54333223223202010
6150322121342540
713316512551030
oct2067453350034
9455007747876
10144899428380
11564a6a4a203
12240ba637a50
1310882939b45
1470281d01c0
153b80e0de70
hex21bcadd01c

144899428380 has 96 divisors (see below), whose sum is σ = 468458489856. Its totient is φ = 32778418176.

The previous prime is 144899428363. The next prime is 144899428391. The reversal of 144899428380 is 83824998441.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

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, 1737604 + ... + 1819083.

It is an arithmetic number, because the mean of its divisors is an integer number (4879775936).

Almost surely, 2144899428380 is an apocalyptic number.

144899428380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144899428380 is an abundant number, since it is smaller than the sum of its proper divisors (323559061476).

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

144899428380 is a wasteful number, since it uses less digits than its factorization.

144899428380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3556803 (or 3556801 counting only the distinct ones).

The product of its (nonzero) digits is 15925248, while the sum is 60.

The spelling of 144899428380 in words is "one hundred forty-four billion, eight hundred ninety-nine million, four hundred twenty-eight thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 97 105 140 194 210 291 388 420 485 582 679 970 1164 1358 1455 1940 2037 2716 2910 3395 4074 5820 6790 8148 10185 13580 20370 40740 3556687 7113374 10670061 14226748 17783435 21340122 24896809 35566870 42680244 49793618 53350305 71133740 74690427 99587236 106700610 124484045 149380854 213401220 248968090 298761708 344998639 373452135 497936180 689997278 746904270 1034995917 1379994556 1493808540 1724993195 2069991834 2414990473 3449986390 4139983668 4829980946 5174979585 6899972780 7244971419 9659961892 10349959170 12074952365 14489942838 20699918340 24149904730 28979885676 36224857095 48299809460 72449714190 144899428380