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1230884811 = 321310520383
BaseRepresentation
bin100100101011101…
…1100111111001011
310011210010102112100
41021113130333023
510010101303221
6322050044443
742334230312
oct11127347713
93153112470
101230884811
11581890a82
122a4279723
13168019110
14b968d279
15730db926
hex495dcfcb

1230884811 has 12 divisors (see below), whose sum is σ = 1914709888. Its totient is φ = 757467504.

The previous prime is 1230884801. The next prime is 1230884827. The reversal of 1230884811 is 1184880321.

It is not a de Polignac number, because 1230884811 - 217 = 1230753739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1230884801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5260075 + ... + 5260308.

Almost surely, 21230884811 is an apocalyptic number.

1230884811 is a deficient number, since it is larger than the sum of its proper divisors (683825077).

1230884811 is a wasteful number, since it uses less digits than its factorization.

1230884811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10520402 (or 10520399 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 36.

The square root of 1230884811 is about 35083.9680053440. The cubic root of 1230884811 is about 1071.6981249182.

The spelling of 1230884811 in words is "one billion, two hundred thirty million, eight hundred eighty-four thousand, eight hundred eleven".

Divisors: 1 3 9 13 39 117 10520383 31561149 94683447 136764979 410294937 1230884811