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142323531104240 = 2453464951344747
BaseRepresentation
bin100000010111000101000111…
…100000111011111111110000
3200122220222220120221100221122
4200113011013200323333300
5122123312042430313430
61222410305542241412
741656351530561113
oct4027050740737760
9618828816840848
10142323531104240
1141392085a3a212
1213b67306726268
136155088bb8395
1427206d213c57a
15116c2658e6ee5
hex81714783bff0

142323531104240 has 40 divisors (see below), whose sum is σ = 330911766385200. Its totient is φ = 56927768301056.

The previous prime is 142323531104207. The next prime is 142323531104291. The reversal of 142323531104240 is 42401135323241.

142323531104240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 142323531104240.

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, 22900454 + ... + 28444293.

It is an arithmetic number, because the mean of its divisors is an integer number (8272794159630).

Almost surely, 2142323531104240 is an apocalyptic number.

142323531104240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142323531104240 is an abundant number, since it is smaller than the sum of its proper divisors (188588235280960).

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

142323531104240 is a wasteful number, since it uses less digits than its factorization.

142323531104240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51379409 (or 51379403 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 142323531104240 its reverse (42401135323241), we get a palindrome (184724666427481).

The spelling of 142323531104240 in words is "one hundred forty-two trillion, three hundred twenty-three billion, five hundred thirty-one million, one hundred four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 34649 69298 138596 173245 277192 346490 554384 692980 1385960 2771920 51344747 102689494 205378988 256723735 410757976 513447470 821515952 1026894940 2053789880 4107579760 1779044138803 3558088277606 7116176555212 8895220694015 14232353110424 17790441388030 28464706220848 35580882776060 71161765552120 142323531104240