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23728771313340 = 2235395479521889
BaseRepresentation
bin1010110010100110010001…
…11111000010111010111100
310010000110002212112022222120
411121103020333002322330
511102233010424011330
6122244502544042540
74666230034154352
oct531231077027274
9103013085468876
1023728771313340
117619351886a15
1227b2965603450
1310317c8c19222
145c069b6277d2
152b238e4a5c10
hex1594c8fc2ebc

23728771313340 has 24 divisors (see below), whose sum is σ = 66440559677520. Its totient is φ = 6327672350208.

The previous prime is 23728771313339. The next prime is 23728771313363. The reversal of 23728771313340 is 4331317782732.

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, 197739760885 + ... + 197739761004.

It is an arithmetic number, because the mean of its divisors is an integer number (2768356653230).

Almost surely, 223728771313340 is an apocalyptic number.

23728771313340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23728771313340 is an abundant number, since it is smaller than the sum of its proper divisors (42711788364180).

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

23728771313340 is a wasteful number, since it uses less digits than its factorization.

23728771313340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395479521901 (or 395479521899 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 51.

The spelling of 23728771313340 in words is "twenty-three trillion, seven hundred twenty-eight billion, seven hundred seventy-one million, three hundred thirteen thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 395479521889 790959043778 1186438565667 1581918087556 1977397609445 2372877131334 3954795218890 4745754262668 5932192828335 7909590437780 11864385656670 23728771313340