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202103422040 = 23513388660427
BaseRepresentation
bin1011110000111001001…
…1010111110001011000
3201022122221020121002102
42330032103113301120
511302401434001130
6232502305422532
720413211512532
oct2741623276130
9638587217072
10202103422040
1178791127323
123320403aa48
131609b0377c0
149ad35bc852
1553cce65645
hex2f0e4d7c58

202103422040 has 32 divisors (see below), whose sum is σ = 489712139280. Its totient is φ = 74622801792.

The previous prime is 202103422039. The next prime is 202103422049. The reversal of 202103422040 is 40224301202.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202103422049) 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, 194329694 + ... + 194330733.

Almost surely, 2202103422040 is an apocalyptic number.

202103422040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202103422040 is an abundant number, since it is smaller than the sum of its proper divisors (287608717240).

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

202103422040 is a wasteful number, since it uses less digits than its factorization.

202103422040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388660451 (or 388660447 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 202103422040 its reverse (40224301202), we get a palindrome (242327723242).

The spelling of 202103422040 in words is "two hundred two billion, one hundred three million, four hundred twenty-two thousand, forty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 388660427 777320854 1554641708 1943302135 3109283416 3886604270 5052585551 7773208540 10105171102 15546417080 20210342204 25262927755 40420684408 50525855510 101051711020 202103422040