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203142431313140 = 22511923374687787
BaseRepresentation
bin101110001100000111001000…
…011101010000110011110100
3222122021020010022112201101112
4232030013020131100303310
5203111241144404010030
62000014202234214152
760534361551622454
oct5614071035206364
9878236108481345
10203142431313140
1159800248622770
121a94a445284358
1389473312b12a7
143824208dd9d64
151874302bb3a95
hexb8c1c8750cf4

203142431313140 has 24 divisors (see below), whose sum is σ = 465380842645152. Its totient is φ = 73869975022880.

The previous prime is 203142431313119. The next prime is 203142431313179. The reversal of 203142431313140 is 41313134241302.

It is a junction number, because it is equal to n+sod(n) for n = 203142431313097 and 203142431313106.

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, 461687343674 + ... + 461687344113.

It is an arithmetic number, because the mean of its divisors is an integer number (19390868443548).

Almost surely, 2203142431313140 is an apocalyptic number.

203142431313140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203142431313140 is an abundant number, since it is smaller than the sum of its proper divisors (262238411332012).

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

203142431313140 is a wasteful number, since it uses less digits than its factorization.

203142431313140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923374687807 (or 923374687805 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 203142431313140 its reverse (41313134241302), we get a palindrome (244455565554442).

The spelling of 203142431313140 in words is "two hundred three trillion, one hundred forty-two billion, four hundred thirty-one million, three hundred thirteen thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 923374687787 1846749375574 3693498751148 4616873438935 9233746877870 10157121565657 18467493755740 20314243131314 40628486262628 50785607828285 101571215656570 203142431313140