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312230200422 = 23741792295169
BaseRepresentation
bin1001000101100100101…
…11101100010001100110
31002211220212012120201010
410202302113230101212
520103421412403142
6355234144443050
731362232625340
oct4426227542146
91084825176633
10312230200422
11110463898958
1250619319486
132359b8929aa
141117d564290
1581c6251e9c
hex48b25ec466

312230200422 has 64 divisors (see below), whose sum is σ = 740330035200. Its totient is φ = 85931089920.

The previous prime is 312230200363. The next prime is 312230200433. The reversal of 312230200422 is 224002032213.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1011547 + ... + 1283622.

It is an arithmetic number, because the mean of its divisors is an integer number (11567656800).

Almost surely, 2312230200422 is an apocalyptic number.

312230200422 is an abundant number, since it is smaller than the sum of its proper divisors (428099834778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312230200422 is a wasteful number, since it uses less digits than its factorization.

312230200422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2295301.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 312230200422 its reverse (224002032213), we get a palindrome (536232232635).

The spelling of 312230200422 in words is "three hundred twelve billion, two hundred thirty million, two hundred thousand, four hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 41 42 79 82 123 158 237 246 287 474 553 574 861 1106 1659 1722 3239 3318 6478 9717 19434 22673 45346 68019 136038 2295169 4590338 6885507 13771014 16066183 32132366 48198549 94101929 96397098 181318351 188203858 282305787 362636702 543955053 564611574 658713503 1087910106 1269228457 1317427006 1976140509 2538456914 3807685371 3952281018 7434052391 7615370742 14868104782 22302157173 44604314346 52038366737 104076733474 156115100211 312230200422