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103420125212 = 2247737535713
BaseRepresentation
bin110000001010001010…
…0011110000000011100
3100212221112012201000212
41200110110132000130
53143301023001322
6115302140111552
710320563363015
oct1402424360034
9325845181025
10103420125212
113a950a67868
12180632355b8
1399a2260981
14501138a00c
152a5461a0e2
hex181451e01c

103420125212 has 24 divisors (see below), whose sum is σ = 187367992896. Its totient is φ = 49916556288.

The previous prime is 103420125197. The next prime is 103420125217. The reversal of 103420125212 is 212521024301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103420125217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3754133 + ... + 3781580.

It is an arithmetic number, because the mean of its divisors is an integer number (7806999704).

Almost surely, 2103420125212 is an apocalyptic number.

It is an amenable number.

103420125212 is a deficient number, since it is larger than the sum of its proper divisors (83947867684).

103420125212 is a wasteful number, since it uses less digits than its factorization.

103420125212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7535837 (or 7535835 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 103420125212 its reverse (212521024301), we get a palindrome (315941149513).

The spelling of 103420125212 in words is "one hundred three billion, four hundred twenty million, one hundred twenty-five thousand, two hundred twelve".

Divisors: 1 2 4 47 73 94 146 188 292 3431 6862 13724 7535713 15071426 30142852 354178511 550107049 708357022 1100214098 1416714044 2200428196 25855031303 51710062606 103420125212