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121413400304 = 247329762877
BaseRepresentation
bin111000100010011001…
…1010111011011110000
3102121101111201210012212
41301010303113123300
53442123312302204
6131435422311252
711525510606000
oct1610463273360
9377344653185
10121413400304
1147544776749
121b645128528
13b5abc78301
145c3ad46000
1532590e5c6e
hex1c44cd76f0

121413400304 has 80 divisors (see below), whose sum is σ = 283790616000. Its totient is φ = 50239961856.

The previous prime is 121413400253. The next prime is 121413400351. The reversal of 121413400304 is 403004314121.

It is a self number, because there is not a number n which added to its sum of digits gives 121413400304.

It is a congruent number.

It is an unprimeable number.

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, 222287 + ... + 540590.

It is an arithmetic number, because the mean of its divisors is an integer number (3547382700).

Almost surely, 2121413400304 is an apocalyptic number.

121413400304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

121413400304 is an abundant number, since it is smaller than the sum of its proper divisors (162377215696).

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

121413400304 is an equidigital number, since it uses as much as digits as its factorization.

121413400304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762935 (or 762915 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 121413400304 its reverse (403004314121), we get a palindrome (524417714425).

The spelling of 121413400304 in words is "one hundred twenty-one billion, four hundred thirteen million, four hundred thousand, three hundred four".

Divisors: 1 2 4 7 8 14 16 28 29 49 56 58 98 112 116 196 203 232 343 392 406 464 686 784 812 1372 1421 1624 2744 2842 3248 5488 5684 9947 11368 19894 22736 39788 79576 159152 762877 1525754 3051508 5340139 6103016 10680278 12206032 21360556 22123433 37380973 42721112 44246866 74761946 85442224 88493732 149523892 154864031 176987464 261666811 299047784 309728062 353974928 523333622 598095568 619456124 1046667244 1084048217 1238912248 2093334488 2168096434 2477824496 4186668976 4336192868 7588337519 8672385736 15176675038 17344771472 30353350076 60706700152 121413400304