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121413100 = 22521214131
BaseRepresentation
bin1110011110010…
…01110111101100
322110110102110111
413033021313230
5222040204400
620014145404
73002665024
oct717116754
9273412414
10121413100
1162597506
12347b2264
131c200193
14121a6a84
15a9d43ba
hex73c9dec

121413100 has 18 divisors (see below), whose sum is σ = 263466644. Its totient is φ = 48565200.

The previous prime is 121413077. The next prime is 121413121. The reversal of 121413100 is 1314121.

It is a super-2 number, since 2×1214131002 = 29482281703220000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 606966 + ... + 607165.

Almost surely, 2121413100 is an apocalyptic number.

121413100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121413100 is an abundant number, since it is smaller than the sum of its proper divisors (142053544).

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

121413100 is a wasteful number, since it uses less digits than its factorization.

121413100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214145 (or 1214138 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 121413100 is about 11018.7612733919. The cubic root of 121413100 is about 495.1709779048.

Adding to 121413100 its reverse (1314121), we get a palindrome (122727221).

The spelling of 121413100 in words is "one hundred twenty-one million, four hundred thirteen thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1214131 2428262 4856524 6070655 12141310 24282620 30353275 60706550 121413100