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142354600415405 = 5721374241161937
BaseRepresentation
bin100000010111100010000011…
…011000111101000010101101
3200200000222002212022220110222
4200113202003120331002231
5122124314210201243110
61222432444533341125
741661531463425200
oct4027420330750255
9620028085286428
10142354600415405
11413a4279837584
1213b713377977a5
136157c9a977781
142721ddc5b7937
15116ce83343c55
hex81788363d0ad

142354600415405 has 24 divisors (see below), whose sum is σ = 200165878825848. Its totient is φ = 96902067913728.

The previous prime is 142354600415399. The next prime is 142354600415407. The reversal of 142354600415405 is 504514006453241.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 18191137721449 + 124163462693956 = 4265107^2 + 11142866^2 .

It is not a de Polignac number, because 142354600415405 - 228 = 142354331979949 is a prime.

It is a super-2 number, since 2×1423546004154052 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142354600415407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2120547404 + ... + 2120614533.

It is an arithmetic number, because the mean of its divisors is an integer number (8340244951077).

Almost surely, 2142354600415405 is an apocalyptic number.

It is an amenable number.

142354600415405 is a deficient number, since it is larger than the sum of its proper divisors (57811278410443).

142354600415405 is a wasteful number, since it uses less digits than its factorization.

142354600415405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4241162093 (or 4241162086 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 44.

Adding to 142354600415405 its reverse (504514006453241), we get a palindrome (646868606868646).

The spelling of 142354600415405 in words is "one hundred forty-two trillion, three hundred fifty-four billion, six hundred million, four hundred fifteen thousand, four hundred five".

Divisors: 1 5 7 35 49 137 245 685 959 4795 6713 33565 4241161937 21205809685 29688133559 148440667795 207816934913 581039185369 1039084674565 2905195926845 4067274297583 20336371487915 28470920083081 142354600415405