Search a number
-
+
228362281297 = 2312503794113
BaseRepresentation
bin1101010010101101110…
…0111110000101010001
3210211102221220212011021
43110223130332011101
512220141221000142
6252524100115441
722333013235523
oct3245334760521
9724387825137
10228362281297
11889366109a7
1238312095b81
13186c4303147
14b0a4c17a13
155e183ed267
hex352b73e151

228362281297 has 8 divisors (see below), whose sum is σ = 238310434944. Its totient is φ = 218415740928.

The previous prime is 228362281271. The next prime is 228362281327. The reversal of 228362281297 is 792182263822.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-228362281297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228362281397) 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, 109488 + ... + 684625.

It is an arithmetic number, because the mean of its divisors is an integer number (29788804368).

Almost surely, 2228362281297 is an apocalyptic number.

It is an amenable number.

228362281297 is a deficient number, since it is larger than the sum of its proper divisors (9948153647).

228362281297 is a wasteful number, since it uses less digits than its factorization.

228362281297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806639.

The product of its digits is 2322432, while the sum is 52.

The spelling of 228362281297 in words is "two hundred twenty-eight billion, three hundred sixty-two million, two hundred eighty-one thousand, two hundred ninety-seven".

Divisors: 1 23 12503 287569 794113 18264599 9928794839 228362281297