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312230130302 = 25313721500491
BaseRepresentation
bin1001000101100100101…
…11011011001001111110
31002211220212002000112002
410202302113123021332
520103421403132202
6355234143142302
731362232214036
oct4426227331176
91084825060462
10312230130302
11110463850202
12506192a4992
132359b869abc
141117d5468c6
1581c623b302
hex48b25db27e

312230130302 has 16 divisors (see below), whose sum is σ = 480664999152. Its totient is φ = 152051465280.

The previous prime is 312230130287. The next prime is 312230130323. The reversal of 312230130302 is 203031032213.

It is a super-2 number, since 2×3122301303022 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10735724 + ... + 10764767.

It is an arithmetic number, because the mean of its divisors is an integer number (30041562447).

Almost surely, 2312230130302 is an apocalyptic number.

312230130302 is a deficient number, since it is larger than the sum of its proper divisors (168434868850).

312230130302 is a wasteful number, since it uses less digits than its factorization.

312230130302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21500683.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 312230130302 its reverse (203031032213), we get a palindrome (515261162515).

The spelling of 312230130302 in words is "three hundred twelve billion, two hundred thirty million, one hundred thirty thousand, three hundred two".

Divisors: 1 2 53 106 137 274 7261 14522 21500491 43000982 1139526023 2279052046 2945567267 5891134534 156115065151 312230130302