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229357297105690 = 251310289171473117
BaseRepresentation
bin110100001001100101101000…
…001110000111101100011010
31010002002100021101102222010011
4310021211220032013230122
5220030242221024340230
62131445142051112134
766211342430365615
oct6411455016075432
91102070241388104
10229357297105690
116709797997a316
1221882b928a264a
139ac93b9a30420
14408cd495b517c
151b7b19a0aae2a
hexd09968387b1a

229357297105690 has 32 divisors (see below), whose sum is σ = 444643512823440. Its totient is φ = 84677540035584.

The previous prime is 229357297105663. The next prime is 229357297105693. The reversal of 229357297105690 is 96501792753922.

It can be written as a sum of positive squares in 8 ways, for example, as 33487783380769 + 195869513724921 = 5786863^2 + 13995339^2 .

It is a super-2 number, since 2×2293572971056902 (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (229357297105693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84398989 + ... + 87074128.

Almost surely, 2229357297105690 is an apocalyptic number.

229357297105690 is a deficient number, since it is larger than the sum of its proper divisors (215286215717750).

229357297105690 is a wasteful number, since it uses less digits than its factorization.

229357297105690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171483426.

The product of its (nonzero) digits is 128595600, while the sum is 67.

The spelling of 229357297105690 in words is "two hundred twenty-nine trillion, three hundred fifty-seven billion, two hundred ninety-seven million, one hundred five thousand, six hundred ninety".

Divisors: 1 2 5 10 13 26 65 130 10289 20578 51445 102890 133757 267514 668785 1337570 171473117 342946234 857365585 1714731170 2229150521 4458301042 11145752605 22291505210 1764286900813 3528573801626 8821434504065 17642869008130 22935729710569 45871459421138 114678648552845 229357297105690