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23141400540 = 2235385690009
BaseRepresentation
bin10101100011010101…
…011011111111011100
32012201202121221122220
4111203111123333130
5334343144304130
614344144305340
71446315442026
oct254325337734
965652557586
1023141400540
1198a5798815
12459a012250
13224a469b1b
1411975b9016
15906941410
hex56355bfdc

23141400540 has 24 divisors (see below), whose sum is σ = 64795921680. Its totient is φ = 6171040128.

The previous prime is 23141400427. The next prime is 23141400571. The reversal of 23141400540 is 4500414132.

It is a self number, because there is not a number n which added to its sum of digits gives 23141400540.

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, 192844945 + ... + 192845064.

It is an arithmetic number, because the mean of its divisors is an integer number (2699830070).

Almost surely, 223141400540 is an apocalyptic number.

23141400540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23141400540 is an abundant number, since it is smaller than the sum of its proper divisors (41654521140).

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

23141400540 is a wasteful number, since it uses less digits than its factorization.

23141400540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385690021 (or 385690019 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 23141400540 its reverse (4500414132), we get a palindrome (27641814672).

The spelling of 23141400540 in words is "twenty-three billion, one hundred forty-one million, four hundred thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 385690009 771380018 1157070027 1542760036 1928450045 2314140054 3856900090 4628280108 5785350135 7713800180 11570700270 23141400540