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121120031132 = 2230280007783
BaseRepresentation
bin111000011001101010…
…0010000000110011100
3102120122001201002100222
41300303110100012130
53441023211444012
6131350342340512
711515316164202
oct1606324200634
9376561632328
10121120031132
1147404111091
121b582a2a738
13b56325c699
145c0ddbb072
15323d496972
hex1c3351019c

121120031132 has 6 divisors (see below), whose sum is σ = 211960054488. Its totient is φ = 60560015564.

The previous prime is 121120031111. The next prime is 121120031167. The reversal of 121120031132 is 231130021121.

It is a self number, because there is not a number n which added to its sum of digits gives 121120031132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15140003888 + ... + 15140003895.

It is an arithmetic number, because the mean of its divisors is an integer number (35326675748).

Almost surely, 2121120031132 is an apocalyptic number.

It is an amenable number.

121120031132 is a deficient number, since it is larger than the sum of its proper divisors (90840023356).

121120031132 is a wasteful number, since it uses less digits than its factorization.

121120031132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30280007787 (or 30280007785 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 121120031132 its reverse (231130021121), we get a palindrome (352250052253).

The spelling of 121120031132 in words is "one hundred twenty-one billion, one hundred twenty million, thirty-one thousand, one hundred thirty-two".

Divisors: 1 2 4 30280007783 60560015566 121120031132