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230303743657 = 1389199052501
BaseRepresentation
bin1101011001111100101…
…1000011111010101001
3211000110021010100211121
43112133023003322221
512233130224244112
6253444452255241
722432066343611
oct3263713037251
9730407110747
10230303743657
1189742506349
1238774311521
13189435c3040
14b20a9d5a41
155ecda9b407
hex359f2c3ea9

230303743657 has 8 divisors (see below), whose sum is σ = 250806152520. Its totient is φ = 210199440000.

The previous prime is 230303743643. The next prime is 230303743667. The reversal of 230303743657 is 756347303032.

It can be written as a sum of positive squares in 4 ways, for example, as 10482483456 + 219821260201 = 102384^2 + 468851^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 230303743657 - 223 = 230295355049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230303743667) 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, 99525094 + ... + 99527407.

It is an arithmetic number, because the mean of its divisors is an integer number (31350769065).

Almost surely, 2230303743657 is an apocalyptic number.

It is an amenable number.

230303743657 is a deficient number, since it is larger than the sum of its proper divisors (20502408863).

230303743657 is a wasteful number, since it uses less digits than its factorization.

230303743657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199052603.

The product of its (nonzero) digits is 952560, while the sum is 43.

The spelling of 230303743657 in words is "two hundred thirty billion, three hundred three million, seven hundred forty-three thousand, six hundred fifty-seven".

Divisors: 1 13 89 1157 199052501 2587682513 17715672589 230303743657