Search a number
-
+
310021013122312 = 2338752626640289
BaseRepresentation
bin100011001111101100110010…
…0010111000010110100001000
31111122200201102110002001110211
41012133121210113002310020
5311113341013324403222
63015205404241250504
7122205164466544552
oct10637314427026410
91448621373061424
10310021013122312
118a86719a749328
122a930196033a34
13103cab18abac0b
14567b1506124d2
1525c9558442277
hex119f6645c2d08

310021013122312 has 8 divisors (see below), whose sum is σ = 581289399604350. Its totient is φ = 155010506561152.

The previous prime is 310021013122277. The next prime is 310021013122333. The reversal of 310021013122312 is 213221310120013.

It can be written as a sum of positive squares in only one way, i.e., 200054037250116 + 109966975872196 = 14144046^2 + 10486514^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×3100210131223122 (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19376313320137 + ... + 19376313320152.

Almost surely, 2310021013122312 is an apocalyptic number.

It is an amenable number.

310021013122312 is a deficient number, since it is larger than the sum of its proper divisors (271268386482038).

310021013122312 is a wasteful number, since it uses less digits than its factorization.

310021013122312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38752626640295 (or 38752626640291 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 310021013122312 its reverse (213221310120013), we get a palindrome (523242323242325).

The spelling of 310021013122312 in words is "three hundred ten trillion, twenty-one billion, thirteen million, one hundred twenty-two thousand, three hundred twelve".

Divisors: 1 2 4 8 38752626640289 77505253280578 155010506561156 310021013122312