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212190749094952 = 2389298020715021
BaseRepresentation
bin110000001111110010000010…
…001110010111010000101000
31000211022020102010210011211101
4300033302002032113100220
5210303013123232014302
62031143030122411144
762460163400021425
oct6017620216272050
91024266363704741
10212190749094952
1161679656076481
121b96bba4660ab4
13915266a54c004
143a58130c38d4c
15197e87d1e5287
hexc0fc82397428

212190749094952 has 16 divisors (see below), whose sum is σ = 402327965279700. Its totient is φ = 104903291687040.

The previous prime is 212190749094941. The next prime is 212190749094953. The reversal of 212190749094952 is 259490947091212.

It can be written as a sum of positive squares in 2 ways, for example, as 212029535602756 + 161213492196 = 14561234^2 + 401514^2 .

It is a super-2 number, since 2×2121907490949522 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212190749094953) 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, 149010356799 + ... + 149010358222.

Almost surely, 2212190749094952 is an apocalyptic number.

It is an amenable number.

212190749094952 is a deficient number, since it is larger than the sum of its proper divisors (190137216184748).

212190749094952 is a wasteful number, since it uses less digits than its factorization.

212190749094952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298020715116 (or 298020715112 counting only the distinct ones).

The product of its (nonzero) digits is 29393280, while the sum is 64.

The spelling of 212190749094952 in words is "two hundred twelve trillion, one hundred ninety billion, seven hundred forty-nine million, ninety-four thousand, nine hundred fifty-two".

Divisors: 1 2 4 8 89 178 356 712 298020715021 596041430042 1192082860084 2384165720168 26523843636869 53047687273738 106095374547476 212190749094952