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121032310213 = 6113339148747
BaseRepresentation
bin111000010111000010…
…1100111110111000101
3102120101221122101220001
41300232011213313011
53440333232411323
6131333530241301
711513202443113
oct1605605476705
9376357571801
10121032310213
1147369647061
121b559586231
13b54b027c09
145c024a4ab3
15323591a3ad
hex1c2e167dc5

121032310213 has 8 divisors (see below), whose sum is σ = 123026495840. Its totient is φ = 119038448880.

The previous prime is 121032310171. The next prime is 121032310249. The reversal of 121032310213 is 312013230121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-121032310213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121032310283) 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, 739306 + ... + 888052.

It is an arithmetic number, because the mean of its divisors is an integer number (15378311980).

Almost surely, 2121032310213 is an apocalyptic number.

It is an amenable number.

121032310213 is a deficient number, since it is larger than the sum of its proper divisors (1994185627).

121032310213 is a wasteful number, since it uses less digits than its factorization.

121032310213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162147.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 121032310213 its reverse (312013230121), we get a palindrome (433045540334).

The spelling of 121032310213 in words is "one hundred twenty-one billion, thirty-two million, three hundred ten thousand, two hundred thirteen".

Divisors: 1 61 13339 148747 813679 9073567 1984136233 121032310213