Search a number
-
+
30231010212 = 22313296682363
BaseRepresentation
bin11100001001111010…
…001001101110100100
32220000211222102210220
4130021322021232210
5443403114311322
621515443244340
72120103230004
oct341172115644
986024872726
1030231010212
1111903687467
125a383796b0
132b0a1b9130
14166adc0004
15bbe05b55c
hex709e89ba4

30231010212 has 48 divisors (see below), whose sum is σ = 78584600640. Its totient is φ = 8981094528.

The previous prime is 30231010193. The next prime is 30231010231. The reversal of 30231010212 is 21201013203.

It is an interprime number because it is at equal distance from previous prime (30231010193) and next prime (30231010231).

It is a junction number, because it is equal to n+sod(n) for n = 30231010191 and 30231010200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3336658 + ... + 3345705.

It is an arithmetic number, because the mean of its divisors is an integer number (1637179180).

Almost surely, 230231010212 is an apocalyptic number.

It is an amenable number.

30231010212 is an abundant number, since it is smaller than the sum of its proper divisors (48353590428).

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

30231010212 is a wasteful number, since it uses less digits than its factorization.

30231010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6682412 (or 6682410 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 30231010212 its reverse (21201013203), we get a palindrome (51432023415).

The spelling of 30231010212 in words is "thirty billion, two hundred thirty-one million, ten thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 13 26 29 39 52 58 78 87 116 156 174 348 377 754 1131 1508 2262 4524 6682363 13364726 20047089 26729452 40094178 80188356 86870719 173741438 193788527 260612157 347482876 387577054 521224314 581365581 775154108 1042448628 1162731162 2325462324 2519250851 5038501702 7557752553 10077003404 15115505106 30231010212