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142422140544040 = 2357508650501943
BaseRepresentation
bin100000011000100000111101…
…000110000110010000101000
3200200021102102211222221012201
4200120200331012012100220
5122131421020434402130
61222523454512545544
741666442261151210
oct4030407506062050
9620242384887181
10142422140544040
114141a988443905
1213b824468522b4
1361614725a2c26
1427253a8627240
15116ead7a03bca
hex81883d186428

142422140544040 has 32 divisors (see below), whose sum is σ = 366228361399680. Its totient is φ = 48830448186432.

The previous prime is 142422140544037. The next prime is 142422140544041. The reversal of 142422140544040 is 40445041224241.

It is a super-2 number, since 2×1424221405440402 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142422140544041) 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, 254325250692 + ... + 254325251251.

It is an arithmetic number, because the mean of its divisors is an integer number (11444636293740).

Almost surely, 2142422140544040 is an apocalyptic number.

142422140544040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142422140544040 is an abundant number, since it is smaller than the sum of its proper divisors (223806220855640).

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

142422140544040 is a wasteful number, since it uses less digits than its factorization.

142422140544040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508650501961 (or 508650501957 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 37.

Adding to 142422140544040 its reverse (40445041224241), we get a palindrome (182867181768281).

The spelling of 142422140544040 in words is "one hundred forty-two trillion, four hundred twenty-two billion, one hundred forty million, five hundred forty-four thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 508650501943 1017301003886 2034602007772 2543252509715 3560553513601 4069204015544 5086505019430 7121107027202 10173010038860 14242214054404 17802767568005 20346020077720 28484428108808 35605535136010 71211070272020 142422140544040