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202472123237 = 29131269198127
BaseRepresentation
bin1011110010010001000…
…1110110101101100101
3201100121122000120001022
42330210101312231211
511304130330420422
6233003040140525
720425306436246
oct2744421665545
9640548016038
10202472123237
1178960264a5a
12332a7607745
131612953aba7
149b2a556ccd
1554004e5342
hex2f24476b65

202472123237 has 16 divisors (see below), whose sum is σ = 211838457600. Its totient is φ = 193275875520.

The previous prime is 202472123201. The next prime is 202472123303. The reversal of 202472123237 is 732321274202.

It is a cyclic number.

It is not a de Polignac number, because 202472123237 - 28 = 202472122981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202472123197 and 202472123206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202472123137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 922868 + ... + 1120994.

It is an arithmetic number, because the mean of its divisors is an integer number (13239903600).

Almost surely, 2202472123237 is an apocalyptic number.

It is an amenable number.

202472123237 is a deficient number, since it is larger than the sum of its proper divisors (9366334363).

202472123237 is a wasteful number, since it uses less digits than its factorization.

202472123237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198556.

The product of its (nonzero) digits is 56448, while the sum is 35.

Adding to 202472123237 its reverse (732321274202), we get a palindrome (934793397439).

The spelling of 202472123237 in words is "two hundred two billion, four hundred seventy-two million, one hundred twenty-three thousand, two hundred thirty-seven".

Divisors: 1 29 131 269 3799 7801 35239 198127 1021931 5745683 25954637 53296163 752684473 1545588727 6981797353 202472123237