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142403205734 = 2719911011947
BaseRepresentation
bin1000010010011111100…
…1000111101001100110
3111121120022202101020222
42010213321013221212
54313120210040414
6145230310524342
713200612164006
oct2044771075146
9447508671228
10142403205734
1155435996189
12237226666b2
1310575730b1a
146c6c884006
153a86bcc68e
hex2127e47a66

142403205734 has 16 divisors (see below), whose sum is σ = 216832121856. Its totient is φ = 70127857800.

The previous prime is 142403205733. The next prime is 142403205739. The reversal of 142403205734 is 437502304241.

142403205734 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 142403205694 and 142403205703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142403205733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365252 + ... + 646695.

It is an arithmetic number, because the mean of its divisors is an integer number (13552007616).

Almost surely, 2142403205734 is an apocalyptic number.

142403205734 is a deficient number, since it is larger than the sum of its proper divisors (74428916122).

142403205734 is a wasteful number, since it uses less digits than its factorization.

142403205734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013011.

The product of its (nonzero) digits is 80640, while the sum is 35.

Adding to 142403205734 its reverse (437502304241), we get a palindrome (579905509975).

The spelling of 142403205734 in words is "one hundred forty-two billion, four hundred three million, two hundred five thousand, seven hundred thirty-four".

Divisors: 1 2 71 142 991 1982 70361 140722 1011947 2023894 71848237 143696474 1002839477 2005678954 71201602867 142403205734