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52644423104 = 267139039221
BaseRepresentation
bin110001000001110110…
…100010010111000000
312000212212202210011022
4301001312202113000
51330303433014404
640103504405012
73542402133050
oct610166422700
9160785683138
1052644423104
112036544a299
12a252616768
134c6c897820
142795a17560
151581aec8be
hexc41da25c0

52644423104 has 56 divisors (see below), whose sum is σ = 128573893728. Its totient is φ = 20826362880.

The previous prime is 52644423049. The next prime is 52644423121. The reversal of 52644423104 is 40132444625.

It is a tau number, because it is divible by the number of its divisors (56).

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, 4513787 + ... + 4525434.

It is an arithmetic number, because the mean of its divisors is an integer number (2295962388).

Almost surely, 252644423104 is an apocalyptic number.

It is an amenable number.

52644423104 is an abundant number, since it is smaller than the sum of its proper divisors (75929470624).

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

52644423104 is a wasteful number, since it uses less digits than its factorization.

52644423104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9039253 (or 9039243 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 52644423104 its reverse (40132444625), we get a palindrome (92776867729).

The spelling of 52644423104 in words is "fifty-two billion, six hundred forty-four million, four hundred twenty-three thousand, one hundred four".

Divisors: 1 2 4 7 8 13 14 16 26 28 32 52 56 64 91 104 112 182 208 224 364 416 448 728 832 1456 2912 5824 9039221 18078442 36156884 63274547 72313768 117509873 126549094 144627536 235019746 253098188 289255072 470039492 506196376 578510144 822569111 940078984 1012392752 1645138222 1880157968 2024785504 3290276444 3760315936 4049571008 6580552888 7520631872 13161105776 26322211552 52644423104