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3213404013 = 31983679223
BaseRepresentation
bin1011111110001000…
…1010011101101101
322021221120211121110
42333202022131231
523040112412023
61250510222233
7142426324551
oct27742123555
98257524543
103213404013
1113a9978aa6
127581b4979
133c29828c1
14226ab7861
1513c199a93
hexbf88a76d

3213404013 has 16 divisors (see below), whose sum is σ = 4564385280. Its totient is φ = 2005063344.

The previous prime is 3213403993. The next prime is 3213404027. The reversal of 3213404013 is 3104043123.

It is not a de Polignac number, because 3213404013 - 28 = 3213403757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213404063) 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 15 ways as a sum of consecutive naturals, for example, 334881 + ... + 344342.

It is an arithmetic number, because the mean of its divisors is an integer number (285274080).

Almost surely, 23213404013 is an apocalyptic number.

It is an amenable number.

3213404013 is a deficient number, since it is larger than the sum of its proper divisors (1350981267).

3213404013 is a wasteful number, since it uses less digits than its factorization.

3213404013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679328.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 3213404013 is about 56686.8945436245. The cubic root of 3213404013 is about 1475.6672668763.

Adding to 3213404013 its reverse (3104043123), we get a palindrome (6317447136).

The spelling of 3213404013 in words is "three billion, two hundred thirteen million, four hundred four thousand, thirteen".

Divisors: 1 3 19 57 83 249 1577 4731 679223 2037669 12905237 38715711 56375509 169126527 1071134671 3213404013