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1230033311 = 13891063123
BaseRepresentation
bin100100101010000…
…1101000110011111
310011201112011111022
41021110031012133
510004342031221
6322015514355
742324052643
oct11124150637
93151464438
101230033311
1158135a261
122a3b289bb
13167aab680
14b950ac23
1572ebe4ab
hex4950d19f

1230033311 has 8 divisors (see below), whose sum is σ = 1339536240. Its totient is φ = 1122656832.

The previous prime is 1230033271. The next prime is 1230033319. The reversal of 1230033311 is 1133300321.

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 1230033311 - 218 = 1229771167 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1230033311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230033319) 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, 530405 + ... + 532718.

It is an arithmetic number, because the mean of its divisors is an integer number (167442030).

Almost surely, 21230033311 is an apocalyptic number.

1230033311 is a deficient number, since it is larger than the sum of its proper divisors (109502929).

1230033311 is a wasteful number, since it uses less digits than its factorization.

1230033311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063225.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1230033311 is about 35071.8307335103. The cubic root of 1230033311 is about 1071.4509419016.

Adding to 1230033311 its reverse (1133300321), we get a palindrome (2363333632).

The spelling of 1230033311 in words is "one billion, two hundred thirty million, thirty-three thousand, three hundred eleven".

Divisors: 1 13 89 1157 1063123 13820599 94617947 1230033311