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213400240024 = 23149758323609
BaseRepresentation
bin1100011010111110100…
…1010011111110011000
3202101211020012102001111
43012233221103332120
511444020430140044
6242011255430104
721263154053116
oct3065751237630
9671736172044
10213400240024
1182558965934
1235437385334
131717b5b779a
14a485a74ab6
15583ead5b34
hex31afa53f98

213400240024 has 32 divisors (see below), whose sum is σ = 402881040000. Its totient is φ = 105965546752.

The previous prime is 213400240021. The next prime is 213400240057. The reversal of 213400240024 is 420042004312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 213400239977 and 213400240004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213400240021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9027132 + ... + 9050740.

It is an arithmetic number, because the mean of its divisors is an integer number (12590032500).

Almost surely, 2213400240024 is an apocalyptic number.

It is an amenable number.

213400240024 is a deficient number, since it is larger than the sum of its proper divisors (189480799976).

213400240024 is a wasteful number, since it uses less digits than its factorization.

213400240024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31347 (or 31343 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 213400240024 its reverse (420042004312), we get a palindrome (633442244336).

The spelling of 213400240024 in words is "two hundred thirteen billion, four hundred million, two hundred forty thousand, twenty-four".

Divisors: 1 2 4 8 149 298 596 1192 7583 15166 23609 30332 47218 60664 94436 188872 1129867 2259734 3517741 4519468 7035482 9038936 14070964 28141928 179027047 358054094 716108188 1432216376 26675030003 53350060006 106700120012 213400240024