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52643021146492 = 2271880107898089
BaseRepresentation
bin10111111100000111010001…
…00100110100100101111100
320220101121211122201211222011
423332003220210310211330
523400000401403141432
6303543511533101004
714042222065453240
oct1376035044644574
9226347748654864
1052643021146492
1115856864044597
125aa26a1327764
13234b2a587383a
14cddd15c58420
15614574811847
hex2fe0e893497c

52643021146492 has 12 divisors (see below), whose sum is σ = 105286042293040. Its totient is φ = 22561294777056.

The previous prime is 52643021146439. The next prime is 52643021146493. The reversal of 52643021146492 is 29464112034625.

52643021146492 is an admirable number.

It is a super-2 number, since 2×526430211464922 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52643021146493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 940053949017 + ... + 940053949072.

Almost surely, 252643021146492 is an apocalyptic number.

It is an amenable number.

52643021146492 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

52643021146492 is a wasteful number, since it uses less digits than its factorization.

52643021146492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1880107898100 (or 1880107898098 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 49.

The spelling of 52643021146492 in words is "fifty-two trillion, six hundred forty-three billion, twenty-one million, one hundred forty-six thousand, four hundred ninety-two".

Divisors: 1 2 4 7 14 28 1880107898089 3760215796178 7520431592356 13160755286623 26321510573246 52643021146492