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121023130302 = 2326723507239
BaseRepresentation
bin111000010110110001…
…0100110101010111110
3102120101022101000102100
41300231202212222332
53440323410132202
6131333001405530
711513031430404
oct1605542465276
9376338330370
10121023130302
1147364447058
121b5564998a6
13b549162709
145c01195474
153234c0541c
hex1c2d8a6abe

121023130302 has 12 divisors (see below), whose sum is σ = 262216782360. Its totient is φ = 40341043428.

The previous prime is 121023130273. The next prime is 121023130321. The reversal of 121023130302 is 203031320121.

121023130302 is a `hidden beast` number, since 1 + 210 + 23 + 130 + 302 = 666.

It is a super-2 number, since 2×1210231303022 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 6723507239 = 121023130302 / (1 + 2 + 1 + 0 + 2 + 3 + 1 + 3 + 0 + 3 + 0 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3361753602 + ... + 3361753637.

It is an arithmetic number, because the mean of its divisors is an integer number (21851398530).

Almost surely, 2121023130302 is an apocalyptic number.

121023130302 is an abundant number, since it is smaller than the sum of its proper divisors (141193652058).

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

121023130302 is a wasteful number, since it uses less digits than its factorization.

121023130302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6723507247 (or 6723507244 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 121023130302 its reverse (203031320121), we get a palindrome (324054450423).

The spelling of 121023130302 in words is "one hundred twenty-one billion, twenty-three million, one hundred thirty thousand, three hundred two".

Divisors: 1 2 3 6 9 18 6723507239 13447014478 20170521717 40341043434 60511565151 121023130302