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121031050 = 2527345803
BaseRepresentation
bin1110011011011…
…00100110001010
322102202000101111
413031230212022
5221440443200
620002040534
72666514130
oct715544612
9272660344
10121031050
1162356468
123464914a
131c0c830a
1412107750
15a95b0ba
hex736c98a

121031050 has 24 divisors (see below), whose sum is σ = 257278176. Its totient is φ = 41496240.

The previous prime is 121031021. The next prime is 121031051. The reversal of 121031050 is 50130121.

It is a self number, because there is not a number n which added to its sum of digits gives 121031050.

It is not an unprimeable number, because it can be changed into a prime (121031051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172552 + ... + 173251.

It is an arithmetic number, because the mean of its divisors is an integer number (10719924).

Almost surely, 2121031050 is an apocalyptic number.

121031050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121031050 is an abundant number, since it is smaller than the sum of its proper divisors (136247126).

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

121031050 is a wasteful number, since it uses less digits than its factorization.

121031050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345822 (or 345817 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 121031050 is about 11001.4112731049. The cubic root of 121031050 is about 494.6510481487.

Adding to 121031050 its reverse (50130121), we get a palindrome (171161171).

The spelling of 121031050 in words is "one hundred twenty-one million, thirty-one thousand, fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 350 345803 691606 1729015 2420621 3458030 4841242 8645075 12103105 17290150 24206210 60515525 121031050