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210031444132 = 2252507861033
BaseRepresentation
bin1100001110011011011…
…0011000000010100100
3202002010110012211212021
43003212312120002210
511420121022203012
6240253114432524
721113526550546
oct3034666300244
9662113184767
10210031444132
118108a3026a4
1234857132744
1316a62698a33
14a2464ab696
1556e3e94007
hex30e6d980a4

210031444132 has 6 divisors (see below), whose sum is σ = 367555027238. Its totient is φ = 105015722064.

The previous prime is 210031444099. The next prime is 210031444153. The reversal of 210031444132 is 231444130012.

210031444132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 159611436196 + 50420007936 = 399514^2 + 224544^2 .

It is a super-2 number, since 2×2100314441322 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210031444097 and 210031444106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26253930513 + ... + 26253930520.

Almost surely, 2210031444132 is an apocalyptic number.

It is an amenable number.

210031444132 is a deficient number, since it is larger than the sum of its proper divisors (157523583106).

210031444132 is a wasteful number, since it uses less digits than its factorization.

210031444132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52507861037 (or 52507861035 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 210031444132 its reverse (231444130012), we get a palindrome (441475574144).

The spelling of 210031444132 in words is "two hundred ten billion, thirty-one million, four hundred forty-four thousand, one hundred thirty-two".

Divisors: 1 2 4 52507861033 105015722066 210031444132