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1230266313 = 3447893631
BaseRepresentation
bin100100101010100…
…0101111111001001
310011201222000010000
41021111011333021
510004422010223
6322024513213
742326043153
oct11125057711
93151860100
101230266313
115814a9321
122a401b809
13167b60743
14b956bad3
1573018543
hex49545fc9

1230266313 has 40 divisors (see below), whose sum is σ = 1898519040. Its totient is φ = 793488960.

The previous prime is 1230266311. The next prime is 1230266347. The reversal of 1230266313 is 3136620321.

It is a happy number.

1230266313 is a `hidden beast` number, since 1 + 2 + 3 + 0 + 26 + 631 + 3 = 666.

It is not a de Polignac number, because 1230266313 - 21 = 1230266311 is a prime.

It is a super-2 number, since 2×12302663132 = 3027110401805227938, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1230266311) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 337008 + ... + 340638.

It is an arithmetic number, because the mean of its divisors is an integer number (47462976).

Almost surely, 21230266313 is an apocalyptic number.

It is an amenable number.

1230266313 is a deficient number, since it is larger than the sum of its proper divisors (668252727).

1230266313 is an equidigital number, since it uses as much as digits as its factorization.

1230266313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3779 (or 3770 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 1230266313 is about 35075.1523588993. The cubic root of 1230266313 is about 1071.5185916821.

Adding to 1230266313 its reverse (3136620321), we get a palindrome (4366886634).

The spelling of 1230266313 in words is "one billion, two hundred thirty million, two hundred sixty-six thousand, three hundred thirteen".

Divisors: 1 3 9 27 47 81 89 141 267 423 801 1269 2403 3631 3807 4183 7209 10893 12549 32679 37647 98037 112941 170657 294111 323159 338823 511971 969477 1535913 2908431 4607739 8725293 13823217 15188473 26175879 45565419 136696257 410088771 1230266313