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235121023444 = 2258780255861
BaseRepresentation
bin1101101011111001001…
…1100001100111010100
3211110212222200112101111
43122332103201213110
512323011440222234
6300002455304404
722662342503236
oct3327623414724
9743788615344
10235121023444
1190794762a0a
123969967b104
1319230637858
14b5466d2256
1561b195d664
hex36be4e19d4

235121023444 has 6 divisors (see below), whose sum is σ = 411461791034. Its totient is φ = 117560511720.

The previous prime is 235121023441. The next prime is 235121023451. The reversal of 235121023444 is 444320121532.

It can be written as a sum of positive squares in only one way, i.e., 173014402500 + 62106620944 = 415950^2 + 249212^2 .

It is a super-2 number, since 2×2351210234442 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235121023441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29390127927 + ... + 29390127934.

Almost surely, 2235121023444 is an apocalyptic number.

It is an amenable number.

235121023444 is a deficient number, since it is larger than the sum of its proper divisors (176340767590).

235121023444 is a wasteful number, since it uses less digits than its factorization.

235121023444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58780255865 (or 58780255863 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 235121023444 its reverse (444320121532), we get a palindrome (679441144976).

The spelling of 235121023444 in words is "two hundred thirty-five billion, one hundred twenty-one million, twenty-three thousand, four hundred forty-four".

Divisors: 1 2 4 58780255861 117560511722 235121023444