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351212040101 = 1373370086449
BaseRepresentation
bin1010001110001011101…
…11100110111110100101
31020120112120102012211002
411013011313212332211
521223240240240401
6425202232523045
734242235040606
oct5070567467645
91216476365732
10351212040101
11125a48049a8a
1258098250485
1327171a1a110
1412dda817dad
15920866ba6b
hex51c5de6fa5

351212040101 has 8 divisors (see below), whose sum is σ = 383409562200. Its totient is φ = 319754691072.

The previous prime is 351212040097. The next prime is 351212040103. The reversal of 351212040101 is 101040212153.

It can be written as a sum of positive squares in 4 ways, for example, as 59856069025 + 291355971076 = 244655^2 + 539774^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 351212040101 - 22 = 351212040097 is a prime.

It is a super-2 number, since 2×3512120401012 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351212040103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185042276 + ... + 185044173.

It is an arithmetic number, because the mean of its divisors is an integer number (47926195275).

Almost surely, 2351212040101 is an apocalyptic number.

It is an amenable number.

351212040101 is a deficient number, since it is larger than the sum of its proper divisors (32197522099).

351212040101 is a wasteful number, since it uses less digits than its factorization.

351212040101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370086535.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 351212040101 its reverse (101040212153), we get a palindrome (452252252254).

The spelling of 351212040101 in words is "three hundred fifty-one billion, two hundred twelve million, forty thousand, one hundred one".

Divisors: 1 13 73 949 370086449 4811123837 27016310777 351212040101