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142344613520 = 24517238951131
BaseRepresentation
bin1000010010010001100…
…1100110111010010000
3111121102020111120211222
42010210121212322100
54313010210113040
6145220415024212
713166301152144
oct2044431467220
9447366446758
10142344613520
1155405906a6a
1223706b0b068
1310566557885
146c64b91224
153a819a6bb5
hex2124666e90

142344613520 has 160 divisors (see below), whose sum is σ = 369770261760. Its totient is φ = 50681692160.

The previous prime is 142344613519. The next prime is 142344613657. The reversal of 142344613520 is 25316443241.

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, 2758355 + ... + 2809485.

It is an arithmetic number, because the mean of its divisors is an integer number (2311064136).

Almost surely, 2142344613520 is an apocalyptic number.

142344613520 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 142344613520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184885130880).

142344613520 is an abundant number, since it is smaller than the sum of its proper divisors (227425648240).

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

142344613520 is a wasteful number, since it uses less digits than its factorization.

142344613520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51273 (or 51267 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 142344613520 in words is "one hundred forty-two billion, three hundred forty-four million, six hundred thirteen thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 16 17 20 23 34 40 46 68 80 85 89 92 115 136 170 178 184 230 272 340 356 368 391 445 460 680 712 782 890 920 1360 1424 1513 1564 1780 1840 1955 2047 3026 3128 3560 3910 4094 6052 6256 7120 7565 7820 8188 10235 12104 15130 15640 16376 20470 24208 30260 31280 32752 34799 40940 51131 60520 69598 81880 102262 121040 139196 163760 173995 204524 255655 278392 347990 409048 511310 556784 695980 818096 869227 1022620 1176013 1391960 1738454 2045240 2352026 2783920 3476908 4090480 4346135 4550659 4704052 5880065 6953816 8692270 9101318 9408104 11760130 13907632 17384540 18202636 18816208 19992221 22753295 23520260 34769080 36405272 39984442 45506590 47040520 69538160 72810544 77361203 79968884 91013180 94081040 99961105 104665157 154722406 159937768 182026360 199922210 209330314 309444812 319875536 364052720 386806015 399844420 418660628 523325785 618889624 773612030 799688840 837321256 1046651570 1237779248 1547224060 1599377680 1674642512 1779307669 2093303140 3094448120 3558615338 4186606280 6188896240 7117230676 8373212560 8896538345 14234461352 17793076690 28468922704 35586153380 71172306760 142344613520