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142421613250304 = 284722975153201
BaseRepresentation
bin100000011000100000011101…
…101010101000011100000000
3200200021101002002210122012002
4200120200131222220130000
5122131413430443002204
61222523330315123132
741666423226216533
oct4030403552503400
9620241062718162
10142421613250304
114141a737835263
1213b8231a1434a8
1361613ba2828bb
1427253585a8a1a
15116eaa659891e
hex81881daa8700

142421613250304 has 72 divisors (see below), whose sum is σ = 290462003431488. Its totient is φ = 69665327513600.

The previous prime is 142421613250253. The next prime is 142421613250333. The reversal of 142421613250304 is 403052316124241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25060904 + ... + 30214104.

It is an arithmetic number, because the mean of its divisors is an integer number (4034194492104).

Almost surely, 2142421613250304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142421613250304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145231001715744).

142421613250304 is an abundant number, since it is smaller than the sum of its proper divisors (148040390181184).

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

142421613250304 is an equidigital number, since it uses as much as digits as its factorization.

142421613250304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5155561 (or 5155547 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

Adding to 142421613250304 its reverse (403052316124241), we get a palindrome (545473929374545).

The spelling of 142421613250304 in words is "one hundred forty-two trillion, four hundred twenty-one billion, six hundred thirteen million, two hundred fifty thousand, three hundred four".

Divisors: 1 2 4 8 16 32 47 64 94 128 188 256 376 752 1504 2297 3008 4594 6016 9188 12032 18376 36752 73504 107959 147008 215918 294016 431836 588032 863672 1727344 3454688 5153201 6909376 10306402 13818752 20612804 27637504 41225608 82451216 164902432 242200447 329804864 484400894 659609728 968801788 1319219456 1937603576 3875207152 7750414304 11836902697 15500828608 23673805394 31001657216 47347610788 62003314432 94695221576 189390443152 378780886304 556334426759 757561772608 1112668853518 1515123545216 2225337707036 3030247090432 4450675414072 8901350828144 17802701656288 35605403312576 71210806625152 142421613250304