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2142303120 = 243353732659
BaseRepresentation
bin111111110110000…
…1111001110010000
312112022010021102000
41333230033032100
513341412144440
6552324554000
7104042163456
oct17754171620
95468107360
102142303120
119aa302051
124b9552900
13281aacaa9
1416473c9d6
15c8121730
hex7fb0f390

2142303120 has 160 divisors (see below), whose sum is σ = 7401609600. Its totient is φ = 569534976.

The previous prime is 2142303101. The next prime is 2142303131. The reversal of 2142303120 is 213032412.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2142303093 and 2142303102.

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, 804351 + ... + 807009.

It is an arithmetic number, because the mean of its divisors is an integer number (46260060).

Almost surely, 22142303120 is an apocalyptic number.

2142303120 is a gapful number since it is divisible by the number (20) 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 2142303120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3700804800).

2142303120 is an abundant number, since it is smaller than the sum of its proper divisors (5259306480).

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

2142303120 is a wasteful number, since it uses less digits than its factorization.

2142303120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3054 (or 3042 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2142303120 is about 46285.0204709904. The cubic root of 2142303120 is about 1289.1208720807.

Adding to 2142303120 its reverse (213032412), we get a palindrome (2355335532).

The spelling of 2142303120 in words is "two billion, one hundred forty-two million, three hundred three thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 54 60 72 80 90 108 120 135 144 180 216 240 270 360 373 432 540 720 746 1080 1119 1492 1865 2160 2238 2659 2984 3357 3730 4476 5318 5595 5968 6714 7460 7977 8952 10071 10636 11190 13295 13428 14920 15954 16785 17904 20142 21272 22380 23931 26590 26856 29840 31908 33570 39885 40284 42544 44760 47862 50355 53180 53712 63816 67140 71793 79770 80568 89520 95724 100710 106360 119655 127632 134280 143586 159540 161136 191448 201420 212720 239310 268560 287172 319080 358965 382896 402840 478620 574344 638160 717930 805680 957240 991807 1148688 1435860 1914480 1983614 2871720 2975421 3967228 4959035 5743440 5950842 7934456 8926263 9918070 11901684 14877105 15868912 17852526 19836140 23803368 26778789 29754210 35705052 39672280 44631315 47606736 53557578 59508420 71410104 79344560 89262630 107115156 119016840 133893945 142820208 178525260 214230312 238033680 267787890 357050520 428460624 535575780 714101040 1071151560 2142303120