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53430002660 = 2252671500133
BaseRepresentation
bin110001110000101011…
…010010001111100100
312002220121222100201102
4301300223102033210
51333411040041120
640313450215232
73601021346336
oct616053221744
9162817870642
1053430002660
11207289308a1
12a431724518
13506656bab8
14282c0ab456
1515caa76d75
hexc70ad23e4

53430002660 has 12 divisors (see below), whose sum is σ = 112203005628. Its totient is φ = 21372001056.

The previous prime is 53430002641. The next prime is 53430002671. The reversal of 53430002660 is 6620003435.

It can be written as a sum of positive squares in 2 ways, for example, as 25041796516 + 28388206144 = 158246^2 + 168488^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1335750047 + ... + 1335750086.

It is an arithmetic number, because the mean of its divisors is an integer number (9350250469).

Almost surely, 253430002660 is an apocalyptic number.

It is an amenable number.

53430002660 is an abundant number, since it is smaller than the sum of its proper divisors (58773002968).

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

53430002660 is a wasteful number, since it uses less digits than its factorization.

53430002660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2671500142 (or 2671500140 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

The spelling of 53430002660 in words is "fifty-three billion, four hundred thirty million, two thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 2671500133 5343000266 10686000532 13357500665 26715001330 53430002660