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230157447065 = 5713238910811
BaseRepresentation
bin1101011001011001110…
…0111110111110011001
3211000002001211201122022
43112112130332332121
512232330301301230
6253422144504225
722425342010130
oct3262634767631
9730061751568
10230157447065
1189677973577
123873331b075
131891c1bca00
14b1d53d2917
155ec0cee1e5
hex359673ef99

230157447065 has 24 divisors (see below), whose sum is σ = 341792572608. Its totient is φ = 145682072640.

The previous prime is 230157447053. The next prime is 230157447109. The reversal of 230157447065 is 560744751032.

It is a happy number.

It is not a de Polignac number, because 230157447065 - 220 = 230156398489 is a prime.

It is a super-2 number, since 2×2301574470652 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19449491 + ... + 19461320.

It is an arithmetic number, because the mean of its divisors is an integer number (14241357192).

Almost surely, 2230157447065 is an apocalyptic number.

It is an amenable number.

230157447065 is a deficient number, since it is larger than the sum of its proper divisors (111635125543).

230157447065 is a wasteful number, since it uses less digits than its factorization.

230157447065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38910849 (or 38910836 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 44.

The spelling of 230157447065 in words is "two hundred thirty billion, one hundred fifty-seven million, four hundred forty-seven thousand, sixty-five".

Divisors: 1 5 7 13 35 65 91 169 455 845 1183 5915 38910811 194554055 272375677 505840543 1361878385 2529202715 3540883801 6575927059 17704419005 32879635295 46031489413 230157447065