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53470442666440 = 2353143121324731
BaseRepresentation
bin11000010100001100011101…
…01111011011100111001000
321000022201120002022010122201
430022012032233123213020
524002024431310311230
6305415552055525544
714156053262362462
oct1412061657334710
9230281502263581
1053470442666440
1116045761a06068
125bb6b1b0898b4
1323ab319938557
14d2bda9dc9132
1562ad5019d5ca
hex30a18ebdb9c8

53470442666440 has 32 divisors (see below), whose sum is σ = 124189415228160. Its totient is φ = 20698235870400.

The previous prime is 53470442666437. The next prime is 53470442666479. The reversal of 53470442666440 is 4466624407435.

53470442666440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21560661126 + ... + 21560663605.

It is an arithmetic number, because the mean of its divisors is an integer number (3880919225880).

Almost surely, 253470442666440 is an apocalyptic number.

It is an amenable number.

53470442666440 is an abundant number, since it is smaller than the sum of its proper divisors (70718972561720).

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

53470442666440 is a wasteful number, since it uses less digits than its factorization.

53470442666440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43121324773 (or 43121324769 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 55.

The spelling of 53470442666440 in words is "fifty-three trillion, four hundred seventy billion, four hundred forty-two million, six hundred sixty-six thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 31 40 62 124 155 248 310 620 1240 43121324731 86242649462 172485298924 215606623655 344970597848 431213247310 862426494620 1336761066661 1724852989240 2673522133322 5347044266644 6683805333305 10694088533288 13367610666610 26735221333220 53470442666440