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1223132010 = 235313130259
BaseRepresentation
bin100100011100111…
…1000001101101010
310011020112112200120
41020321320031222
510001110211020
6321211544110
742211310352
oct11071701552
93136475616
101223132010
11578476201
122a175b036
13166533369
14b8631b62
15725a9740
hex48e7836a

1223132010 has 32 divisors (see below), whose sum is σ = 2944918080. Its totient is φ = 325123968.

The previous prime is 1223131991. The next prime is 1223132017. The reversal of 1223132010 is 102313221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1223132017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55740 + ... + 74519.

It is an arithmetic number, because the mean of its divisors is an integer number (92028690).

Almost surely, 21223132010 is an apocalyptic number.

1223132010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223132010 is an abundant number, since it is smaller than the sum of its proper divisors (1721786070).

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

1223132010 is a wasteful number, since it uses less digits than its factorization.

1223132010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130582.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1223132010 is about 34973.3042476687. The cubic root of 1223132010 is about 1069.4433328859.

Adding to 1223132010 its reverse (102313221), we get a palindrome (1325445231).

The spelling of 1223132010 in words is "one billion, two hundred twenty-three million, one hundred thirty-two thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 313 626 939 1565 1878 3130 4695 9390 130259 260518 390777 651295 781554 1302590 1953885 3907770 40771067 81542134 122313201 203855335 244626402 407710670 611566005 1223132010