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3213421312304 = 247103278555939
BaseRepresentation
bin101110110000101110110…
…101011111100100110000
3102101012101212010021020102
4232300232311133210300
5410122041323443204
610500120402531532
7451106401323350
oct56605665374460
912335355107212
103213421312304
111029893614515
1243a948366ba8
131a40415b4b98
14b175d694b60
15588c60dd41e
hex2ec2ed5f930

3213421312304 has 40 divisors (see below), whose sum is σ = 7184514804480. Its totient is φ = 1363809872448.

The previous prime is 3213421312301. The next prime is 3213421312307. The reversal of 3213421312304 is 4032131243123.

It is an interprime number because it is at equal distance from previous prime (3213421312301) and next prime (3213421312307).

It is not an unprimeable number, because it can be changed into a prime (3213421312301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139266434 + ... + 139289505.

It is an arithmetic number, because the mean of its divisors is an integer number (179612870112).

Almost surely, 23213421312304 is an apocalyptic number.

It is an amenable number.

3213421312304 is an abundant number, since it is smaller than the sum of its proper divisors (3971093492176).

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

3213421312304 is a wasteful number, since it uses less digits than its factorization.

3213421312304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278556057 (or 278556051 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 3213421312304 its reverse (4032131243123), we get a palindrome (7245552555427).

The spelling of 3213421312304 in words is "three trillion, two hundred thirteen billion, four hundred twenty-one million, three hundred twelve thousand, three hundred four".

Divisors: 1 2 4 7 8 14 16 28 56 103 112 206 412 721 824 1442 1648 2884 5768 11536 278555939 557111878 1114223756 1949891573 2228447512 3899783146 4456895024 7799566292 15599132584 28691261717 31198265168 57382523434 114765046868 200838832019 229530093736 401677664038 459060187472 803355328076 1606710656152 3213421312304