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142400034431412 = 22323587878947451
BaseRepresentation
bin100000011000001100010111…
…011101111110000110110100
3200200012022101020110001120120
4200120030113131332012310
5122131040232303301122
61222505401150131540
741665030413251232
oct4030142735760664
9620168336401516
10142400034431412
114141157409123a
1213b7a0b74b0bb0
13615c35b77a104
1427242ac743952
15116e241e1475c
hex81831777e1b4

142400034431412 has 48 divisors (see below), whose sum is σ = 347303780393472. Its totient is φ = 45325562101600.

The previous prime is 142400034431371. The next prime is 142400034431443. The reversal of 142400034431412 is 214134430004241.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 439311714 + ... + 439635737.

It is an arithmetic number, because the mean of its divisors is an integer number (7235495424864).

Almost surely, 2142400034431412 is an apocalyptic number.

142400034431412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142400034431412 is an abundant number, since it is smaller than the sum of its proper divisors (204903745962060).

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

142400034431412 is a wasteful number, since it uses less digits than its factorization.

142400034431412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878948068 (or 878948066 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 142400034431412 its reverse (214134430004241), we get a palindrome (356534464435653).

The spelling of 142400034431412 in words is "one hundred forty-two trillion, four hundred billion, thirty-four million, four hundred thirty-one thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 587 1174 1761 2348 3522 7044 13501 27002 40503 54004 81006 162012 878947451 1757894902 2636842353 3515789804 5273684706 10547369412 20215791373 40431582746 60647374119 80863165492 121294748238 242589496476 515942153737 1031884307474 1547826461211 2063768614948 3095652922422 6191305844844 11866669535951 23733339071902 35600008607853 47466678143804 71200017215706 142400034431412