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140223404310020 = 22539157179052793
BaseRepresentation
bin11111111000100001001110…
…001100111111111000000100
3200101111020010010212100202122
4133320201032030333320010
5121334410013000410040
61214121424224425112
741351543451425063
oct3770411614777004
9611436103770678
10140223404310020
1140752459130a19
121388829a478198
1360320197ac015
14268abc58641da
1511327ec4d61b5
hex7f884e33fe04

140223404310020 has 24 divisors (see below), whose sum is σ = 294476670912984. Its totient is φ = 56087928988416.

The previous prime is 140223404310013. The next prime is 140223404310029. The reversal of 140223404310020 is 20013404322041.

It can be written as a sum of positive squares in 4 ways, for example, as 24479200941316 + 115744203368704 = 4947646^2 + 10758448^2 .

It is not an unprimeable number, because it can be changed into a prime (140223404310029) 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, 88743257 + ... + 90309536.

It is an arithmetic number, because the mean of its divisors is an integer number (12269861288041).

Almost surely, 2140223404310020 is an apocalyptic number.

140223404310020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140223404310020 is an abundant number, since it is smaller than the sum of its proper divisors (154253266602964).

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

140223404310020 is a wasteful number, since it uses less digits than its factorization.

140223404310020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179091959 (or 179091957 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 140223404310020 its reverse (20013404322041), we get a palindrome (160236808632061).

The spelling of 140223404310020 in words is "one hundred forty trillion, two hundred twenty-three billion, four hundred four million, three hundred ten thousand, twenty".

Divisors: 1 2 4 5 10 20 39157 78314 156628 195785 391570 783140 179052793 358105586 716211172 895263965 1790527930 3581055860 7011170215501 14022340431002 28044680862004 35055851077505 70111702155010 140223404310020