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142423342000 = 2453331215141
BaseRepresentation
bin1000010010100100010…
…1111011101110110000
3111121121201122102000121
42010221011323232300
54313140333421000
6145232310300024
713201245301222
oct2045105735660
9447551572017
10142423342000
1155446299925
1223729357614
1310579961284
146c71406412
153a88858b1a
hex212917bbb0

142423342000 has 80 divisors (see below), whose sum is σ = 345421668384. Its totient is φ = 56796960000.

The previous prime is 142423341989. The next prime is 142423342001. The reversal of 142423342000 is 243324241.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (142423342001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 554430 + ... + 769570.

Almost surely, 2142423342000 is an apocalyptic number.

142423342000 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 142423342000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172710834192).

142423342000 is an abundant number, since it is smaller than the sum of its proper divisors (202998326384).

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

142423342000 is a wasteful number, since it uses less digits than its factorization.

142423342000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215495 (or 215479 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 142423342000 its reverse (243324241), we get a palindrome (142666666241).

The spelling of 142423342000 in words is "one hundred forty-two billion, four hundred twenty-three million, three hundred forty-two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 331 400 500 662 1000 1324 1655 2000 2648 3310 5296 6620 8275 13240 16550 26480 33100 41375 66200 82750 132400 165500 215141 331000 430282 662000 860564 1075705 1721128 2151410 3442256 4302820 5378525 8605640 10757050 17211280 21514100 26892625 43028200 53785250 71211671 86056400 107570500 142423342 215141000 284846684 356058355 430282000 569693368 712116710 1139386736 1424233420 1780291775 2848466840 3560583550 5696933680 7121167100 8901458875 14242334200 17802917750 28484668400 35605835500 71211671000 142423342000