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1213150060 = 225281215863
BaseRepresentation
bin100100001001111…
…0011001101101100
310010112202102000201
41020103303031230
54441031300220
6320214003244
742030414433
oct11023631554
93115672021
101213150060
11572878661
1229a346524
13164449a95
14b719411a
1571786d0a
hex484f336c

1213150060 has 24 divisors (see below), whose sum is σ = 2556693216. Its totient is φ = 483530880.

The previous prime is 1213150027. The next prime is 1213150067. The reversal of 1213150060 is 600513121.

It is not an unprimeable number, because it can be changed into a prime (1213150067) 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, 102312 + ... + 113551.

It is an arithmetic number, because the mean of its divisors is an integer number (106528884).

Almost surely, 21213150060 is an apocalyptic number.

1213150060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1213150060 is an abundant number, since it is smaller than the sum of its proper divisors (1343543156).

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

1213150060 is a wasteful number, since it uses less digits than its factorization.

1213150060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216153 (or 216151 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1213150060 is about 34830.3037598009. The cubic root of 1213150060 is about 1066.5261492415.

Adding to 1213150060 its reverse (600513121), we get a palindrome (1813663181).

The spelling of 1213150060 in words is "one billion, two hundred thirteen million, one hundred fifty thousand, sixty".

Divisors: 1 2 4 5 10 20 281 562 1124 1405 2810 5620 215863 431726 863452 1079315 2158630 4317260 60657503 121315006 242630012 303287515 606575030 1213150060