Search a number
-
+
30202110231121 = 79382305192799
BaseRepresentation
bin1101101110111111110100…
…00011010100001001010001
310221221021220222202021212201
412313133322003110021101
512424312410204343441
6144122354034523201
76235013306121433
oct667377203241121
9127837828667781
1030202110231121
119694708949114
123479455736501
1313b107b9bc09a
14765b0b81c653
1537595d636c31
hex1b77fa0d4251

30202110231121 has 4 divisors (see below), whose sum is σ = 30584415424000. Its totient is φ = 29819805038244.

The previous prime is 30202110231119. The next prime is 30202110231127. The reversal of 30202110231121 is 12113201120203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30202110231121 - 21 = 30202110231119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30202110231127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191152596321 + ... + 191152596478.

It is an arithmetic number, because the mean of its divisors is an integer number (7646103856000).

Almost surely, 230202110231121 is an apocalyptic number.

It is an amenable number.

30202110231121 is a deficient number, since it is larger than the sum of its proper divisors (382305192879).

30202110231121 is an equidigital number, since it uses as much as digits as its factorization.

30202110231121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382305192878.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 30202110231121 its reverse (12113201120203), we get a palindrome (42315311351324).

The spelling of 30202110231121 in words is "thirty trillion, two hundred two billion, one hundred ten million, two hundred thirty-one thousand, one hundred twenty-one".

Divisors: 1 79 382305192799 30202110231121