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121401300 = 22352404671
BaseRepresentation
bin1110011110001…
…10111111010100
322110102211021110
413033012333110
5222034320200
620014015020
73002615436
oct717067724
9273384243
10121401300
1162589659
12347a7470
131c1c79b7
14121a2656
15a9d0b50
hex73c6fd4

121401300 has 36 divisors (see below), whose sum is σ = 351255296. Its totient is φ = 32373600.

The previous prime is 121401299. The next prime is 121401307. The reversal of 121401300 is 3104121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121401307) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 202036 + ... + 202635.

Almost surely, 2121401300 is an apocalyptic number.

121401300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121401300 is an abundant number, since it is smaller than the sum of its proper divisors (229853996).

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

121401300 is a wasteful number, since it uses less digits than its factorization.

121401300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404688 (or 404681 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 121401300 is about 11018.2258099932. The cubic root of 121401300 is about 495.1549356851.

Adding to 121401300 its reverse (3104121), we get a palindrome (124505421).

The spelling of 121401300 in words is "one hundred twenty-one million, four hundred one thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 404671 809342 1214013 1618684 2023355 2428026 4046710 4856052 6070065 8093420 10116775 12140130 20233550 24280260 30350325 40467100 60700650 121401300