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142452241340 = 22510876552541
BaseRepresentation
bin1000010010101011010…
…0001011001110111100
3111121200202000122110112
42010222310023032330
54313220233210330
6145235221525152
713202046033653
oct2045264131674
9447622018415
10142452241340
1155460638382
1223736b737b8
131058293c286
146c751aa19a
153a8b166795
hex212ad0b3bc

142452241340 has 24 divisors (see below), whose sum is σ = 299424959232. Its totient is φ = 56928467520.

The previous prime is 142452241313. The next prime is 142452241343. The reversal of 142452241340 is 43142254241.

It is a junction number, because it is equal to n+sod(n) for n = 142452241297 and 142452241306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142452241343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3254531 + ... + 3298010.

It is an arithmetic number, because the mean of its divisors is an integer number (12476039968).

Almost surely, 2142452241340 is an apocalyptic number.

142452241340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142452241340 is an abundant number, since it is smaller than the sum of its proper divisors (156972717892).

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

142452241340 is a wasteful number, since it uses less digits than its factorization.

142452241340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6553637 (or 6553635 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 142452241340 its reverse (43142254241), we get a palindrome (185594495581).

The spelling of 142452241340 in words is "one hundred forty-two billion, four hundred fifty-two million, two hundred forty-one thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 1087 2174 4348 5435 10870 21740 6552541 13105082 26210164 32762705 65525410 131050820 7122612067 14245224134 28490448268 35613060335 71226120670 142452241340