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142402302231330 = 23567139509690047
BaseRepresentation
bin100000011000001110011110…
…101000111100001100100010
3200200012112020021201020020010
4200120032132220330030202
5122131104403332400310
61222510414201025350
741665140541241631
oct4030163650741442
9620175207636203
10142402302231330
1141412528209949
1213b7a62aa85256
13615c630559a5b
1427244459cd518
15116e326075320
hex81839ea3c322

142402302231330 has 64 divisors (see below), whose sum is σ = 349361946501120. Its totient is φ = 37138055511744.

The previous prime is 142402302231311. The next prime is 142402302231341. The reversal of 142402302231330 is 33132203204241.

It is a happy number.

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 31 ways as a sum of consecutive naturals, for example, 254565634 + ... + 255124413.

It is an arithmetic number, because the mean of its divisors is an integer number (5458780414080).

Almost surely, 2142402302231330 is an apocalyptic number.

142402302231330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142402302231330 is an abundant number, since it is smaller than the sum of its proper divisors (206959644269790).

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

142402302231330 is a wasteful number, since it uses less digits than its factorization.

142402302231330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509690263.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 142402302231330 its reverse (33132203204241), we get a palindrome (175534505435571).

The spelling of 142402302231330 in words is "one hundred forty-two trillion, four hundred two billion, three hundred two million, two hundred thirty-one thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 67 134 139 201 278 335 402 417 670 695 834 1005 1390 2010 2085 4170 9313 18626 27939 46565 55878 93130 139695 279390 509690047 1019380094 1529070141 2548450235 3058140282 5096900470 7645350705 15290701410 34149233149 68298466298 70846916533 102447699447 141693833066 170746165745 204895398894 212540749599 341492331490 354234582665 425081499198 512238497235 708469165330 1024476994470 1062703747995 2125407495990 4746743407711 9493486815422 14240230223133 23733717038555 28480460446266 47467434077110 71201151115665 142402302231330