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142342342320 = 24351734887829
BaseRepresentation
bin1000010010010001000…
…0111100011010110000
3111121102002020012100110
42010210100330122300
54313004114423240
6145220254221320
713166242642443
oct2044420743260
9447362205313
10142342342320
11554045a5642
12237061b4840
1310565c40b79
146c6475d65a
153a816a8c80
hex212443c6b0

142342342320 has 80 divisors (see below), whose sum is σ = 467217819360. Its totient is φ = 35725135872.

The previous prime is 142342342319. The next prime is 142342342517. The reversal of 142342342320 is 23243243241.

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

It is a super-2 number, since 2×1423423423202 (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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17439835 + ... + 17447994.

It is an arithmetic number, because the mean of its divisors is an integer number (5840222742).

Almost surely, 2142342342320 is an apocalyptic number.

142342342320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142342342320 is an abundant number, since it is smaller than the sum of its proper divisors (324875477040).

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

142342342320 is a wasteful number, since it uses less digits than its factorization.

142342342320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34887862 (or 34887856 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 142342342320 its reverse (23243243241), we get a palindrome (165585585561).

The spelling of 142342342320 in words is "one hundred forty-two billion, three hundred forty-two million, three hundred forty-two thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 34 40 48 51 60 68 80 85 102 120 136 170 204 240 255 272 340 408 510 680 816 1020 1360 2040 4080 34887829 69775658 104663487 139551316 174439145 209326974 279102632 348878290 418653948 523317435 558205264 593093093 697756580 837307896 1046634870 1186186186 1395513160 1674615792 1779279279 2093269740 2372372372 2791026320 2965465465 3558558558 4186539480 4744744744 5930930930 7117117116 8373078960 8896396395 9489489488 11861861860 14234234232 17792792790 23723723720 28468468464 35585585580 47447447440 71171171160 142342342320