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55240201312 = 2529157379147
BaseRepresentation
bin110011011100100100…
…101001010001100000
312021120210011222102221
4303130210221101200
51401112442420222
641213233120424
73663621651412
oct633444512140
9167523158387
1055240201312
112147772093a
12a8579b9114
1352945bcc6a
14296067a9b2
1516849470c7
hexcdc929460

55240201312 has 48 divisors (see below), whose sum is σ = 113221175760. Its totient is φ = 26497755648.

The previous prime is 55240201253. The next prime is 55240201343. The reversal of 55240201312 is 21310204255.

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, 43878 + ... + 335269.

It is an arithmetic number, because the mean of its divisors is an integer number (2358774495).

Almost surely, 255240201312 is an apocalyptic number.

It is an amenable number.

55240201312 is an abundant number, since it is smaller than the sum of its proper divisors (57980974448).

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

55240201312 is a wasteful number, since it uses less digits than its factorization.

55240201312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379343 (or 379335 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 55240201312 its reverse (21310204255), we get a palindrome (76550405567).

The spelling of 55240201312 in words is "fifty-five billion, two hundred forty million, two hundred one thousand, three hundred twelve".

Divisors: 1 2 4 8 16 29 32 58 116 157 232 314 464 628 928 1256 2512 4553 5024 9106 18212 36424 72848 145696 379147 758294 1516588 3033176 6066352 10995263 12132704 21990526 43981052 59526079 87962104 119052158 175924208 238104316 351848416 476208632 952417264 1726256291 1904834528 3452512582 6905025164 13810050328 27620100656 55240201312