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53644007704542 = 2391961991569397
BaseRepresentation
bin11000011001001111110000…
…00001100000011111011110
321000221022120010112121200020
430030213320001200133132
524012400411433021132
6310031414505013010
714204436343016643
oct1414477001403736
9230838503477606
1053644007704542
1116102328942112
126024699784166
1323c17ba351128
14d3655330ddca
1563060c9a152c
hex30c9f80607de

53644007704542 has 32 divisors (see below), whose sum is σ = 107422154304000. Its totient is φ = 17858985725088.

The previous prime is 53644007704523. The next prime is 53644007704577. The reversal of 53644007704542 is 24540770044635.

It is a super-2 number, since 2×536440077045422 (a number of 28 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 15 ways as a sum of consecutive naturals, for example, 33396588 + ... + 34965984.

It is an arithmetic number, because the mean of its divisors is an integer number (3356942322000).

Almost surely, 253644007704542 is an apocalyptic number.

53644007704542 is an abundant number, since it is smaller than the sum of its proper divisors (53778146599458).

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

53644007704542 is a wasteful number, since it uses less digits than its factorization.

53644007704542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576520.

The product of its (nonzero) digits is 11289600, while the sum is 51.

The spelling of 53644007704542 in words is "fifty-three trillion, six hundred forty-four billion, seven million, seven hundred four thousand, five hundred forty-two".

Divisors: 1 2 3 6 919 1838 2757 5514 6199 12398 18597 37194 1569397 3138794 4708191 5696881 9416382 11393762 17090643 34181286 1442275843 2884551686 4326827529 8653655058 9728692003 19457384006 29186076009 58372152018 8940667950757 17881335901514 26822003852271 53644007704542