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52453540520 = 23512231072231
BaseRepresentation
bin110000110110011110…
…011000001010101000
312000101120120221110222
4300312132120022220
51324411101244040
640032525225212
73534563511053
oct606636301250
9160346527428
1052453540520
1120277724397
12a1ba702208
134c3c183454
142778529a9a
15156ee94bb5
hexc367982a8

52453540520 has 32 divisors (see below), whose sum is σ = 118117077120. Its totient is φ = 20964240960.

The previous prime is 52453540463. The next prime is 52453540543. The reversal of 52453540520 is 2504535425.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

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, 487196 + ... + 585035.

It is an arithmetic number, because the mean of its divisors is an integer number (3691158660).

Almost surely, 252453540520 is an apocalyptic number.

It is an amenable number.

52453540520 is an abundant number, since it is smaller than the sum of its proper divisors (65663536600).

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

52453540520 is a wasteful number, since it uses less digits than its factorization.

52453540520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073465 (or 1073461 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 35.

It can be divided in two parts, 524535405 and 20, that added together give a palindrome (524535425).

The spelling of 52453540520 in words is "fifty-two billion, four hundred fifty-three million, five hundred forty thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 1223 2446 4892 6115 9784 12230 24460 48920 1072231 2144462 4288924 5361155 8577848 10722310 21444620 42889240 1311338513 2622677026 5245354052 6556692565 10490708104 13113385130 26226770260 52453540520