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212430402133031 = 277973277879589
BaseRepresentation
bin110000010011010001001110…
…101010001001110000100111
31000212011010222222020220112202
4300103101032222021300213
5210320424430421224111
62031445102435005115
762513406253154435
oct6023211652116047
91025133888226482
10212430402133031
1161761255a56025
121b9aa527a3979b
13916c140a8c314
143a659873abd55
151985c07967b3b
hexc1344ea89c27

212430402133031 has 8 divisors (see below), whose sum is σ = 213199516474560. Its totient is φ = 211661303745888.

The previous prime is 212430402133003. The next prime is 212430402133097. The reversal of 212430402133031 is 130331204034212.

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-212430402133031 is a prime.

It is a super-2 number, since 2×2124304021330312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212430402132985 and 212430402133003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212430402133931) 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, 23019785 + ... + 30899373.

It is an arithmetic number, because the mean of its divisors is an integer number (26649939559320).

Almost surely, 2212430402133031 is an apocalyptic number.

212430402133031 is a deficient number, since it is larger than the sum of its proper divisors (769114341529).

212430402133031 is an equidigital number, since it uses as much as digits as its factorization.

212430402133031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7977193.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 212430402133031 its reverse (130331204034212), we get a palindrome (342761606167243).

The spelling of 212430402133031 in words is "two hundred twelve trillion, four hundred thirty billion, four hundred two million, one hundred thirty-three thousand, thirty-one".

Divisors: 1 277 97327 7879589 26959579 2182646153 766896758603 212430402133031