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52443532420 = 2252622176621
BaseRepresentation
bin110000110101111000…
…001100110010000100
312000100212202110221121
4300311320030302010
51324401021014140
640031530523324
73534412445656
oct606570146204
9160325673847
1052443532420
1120272009134
12a1b7296544
134c3a08acb6
1427770826d6
15156e16964a
hexc35e0cc84

52443532420 has 12 divisors (see below), whose sum is σ = 110131418124. Its totient is φ = 20977412960.

The previous prime is 52443532411. The next prime is 52443532447. The reversal of 52443532420 is 2423534425.

It can be written as a sum of positive squares in 2 ways, for example, as 34012211776 + 18431320644 = 184424^2 + 135762^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1311088291 + ... + 1311088330.

It is an arithmetic number, because the mean of its divisors is an integer number (9177618177).

Almost surely, 252443532420 is an apocalyptic number.

It is an amenable number.

52443532420 is an abundant number, since it is smaller than the sum of its proper divisors (57687885704).

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

52443532420 is a wasteful number, since it uses less digits than its factorization.

52443532420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2622176630 (or 2622176628 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 34.

The spelling of 52443532420 in words is "fifty-two billion, four hundred forty-three million, five hundred thirty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 2622176621 5244353242 10488706484 13110883105 26221766210 52443532420