Search a number
-
+
351142130222452 = 22193454847318941
BaseRepresentation
bin100111111010111001010010…
…1111100000000010101110100
31201001021212012210121200002001
41033311302211330000111310
5332011103040314104302
63242452245004025044
7133651116221006512
oct11765624574002564
91631255183550061
10351142130222452
11a19805a5288268
1233471844b32184
13120c173a0c576a
14629d52698b4b2
152a8e02c98d787
hex13f5ca5f00574

351142130222452 has 12 divisors (see below), whose sum is σ = 617682659123236. Its totient is φ = 174661370472960.

The previous prime is 351142130222447. The next prime is 351142130222459. The reversal of 351142130222452 is 254222031241153.

It can be written as a sum of positive squares in 2 ways, for example, as 218696005563876 + 132446124658576 = 14788374^2 + 11508524^2 .

It is a super-2 number, since 2×3511421302224522 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351142130222459) 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, 227423658699 + ... + 227423660242.

Almost surely, 2351142130222452 is an apocalyptic number.

It is an amenable number.

351142130222452 is a deficient number, since it is larger than the sum of its proper divisors (266540528900784).

351142130222452 is a wasteful number, since it uses less digits than its factorization.

351142130222452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454847319138 (or 454847319136 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 351142130222452 in words is "three hundred fifty-one trillion, one hundred forty-two billion, one hundred thirty million, two hundred twenty-two thousand, four hundred fifty-two".

Divisors: 1 2 4 193 386 772 454847318941 909694637882 1819389275764 87785532555613 175571065111226 351142130222452