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1233130040 = 23531919661
BaseRepresentation
bin100100110000000…
…0001001000111000
310011221100111101222
41021200001020320
510011140130130
6322210131212
742362301212
oct11140011070
93157314358
101233130040
1158308493a
122a4b80b08
1316862405c
14b9ab55b2
15733d1ce5
hex49801238

1233130040 has 32 divisors (see below), whose sum is σ = 2775699360. Its totient is φ = 493046400.

The previous prime is 1233130033. The next prime is 1233130051. The reversal of 1233130040 is 400313321.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122810 + ... + 132470.

It is an arithmetic number, because the mean of its divisors is an integer number (86740605).

Almost surely, 21233130040 is an apocalyptic number.

1233130040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1233130040 is an abundant number, since it is smaller than the sum of its proper divisors (1542569320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1233130040 is a wasteful number, since it uses less digits than its factorization.

1233130040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12863 (or 12859 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1233130040 is about 35115.9513611692. The cubic root of 1233130040 is about 1072.3493491791.

Adding to 1233130040 its reverse (400313321), we get a palindrome (1633443361).

The spelling of 1233130040 in words is "one billion, two hundred thirty-three million, one hundred thirty thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 3191 6382 9661 12764 15955 19322 25528 31910 38644 48305 63820 77288 96610 127640 193220 386440 30828251 61656502 123313004 154141255 246626008 308282510 616565020 1233130040