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231241376740 = 225111051097167
BaseRepresentation
bin1101011101011100001…
…1110110001111100100
3211002212121110001121211
43113113003312033210
512242040243023430
6254121505121204
722464243162013
oct3272703661744
9732777401554
10231241376740
118a083801a20
1238996329204
1318a62934b0a
14b29934aa7a
15603605d72a
hex35d70f63e4

231241376740 has 24 divisors (see below), whose sum is σ = 529752972672. Its totient is φ = 84087773280.

The previous prime is 231241376731. The next prime is 231241376767. The reversal of 231241376740 is 47673142132.

It is a super-2 number, since 2×2312413767402 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231241376693 and 231241376702.

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, 525548364 + ... + 525548803.

It is an arithmetic number, because the mean of its divisors is an integer number (22073040528).

Almost surely, 2231241376740 is an apocalyptic number.

231241376740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231241376740 is an abundant number, since it is smaller than the sum of its proper divisors (298511595932).

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

231241376740 is a wasteful number, since it uses less digits than its factorization.

231241376740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051097187 (or 1051097185 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 40.

The spelling of 231241376740 in words is "two hundred thirty-one billion, two hundred forty-one million, three hundred seventy-six thousand, seven hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1051097167 2102194334 4204388668 5255485835 10510971670 11562068837 21021943340 23124137674 46248275348 57810344185 115620688370 231241376740