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53145300144 = 2436277176389
BaseRepresentation
bin110001011111101101…
…001110110010110000
312002011210020222021210
4301133231032302300
51332320144101034
640225320120120
73560663412006
oct613755166260
9162153228253
1053145300144
11205a2155662
12a372306040
13501c598b81
14280235aa76
1515b0a8a8e9
hexc5fb4ecb0

53145300144 has 40 divisors (see below), whose sum is σ = 137314676080. Its totient is φ = 17712177408.

The previous prime is 53145300139. The next prime is 53145300167. The reversal of 53145300144 is 44100354135.

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, 213102 + ... + 389490.

It is an arithmetic number, because the mean of its divisors is an integer number (3432866902).

Almost surely, 253145300144 is an apocalyptic number.

It is an amenable number.

53145300144 is an abundant number, since it is smaller than the sum of its proper divisors (84169375936).

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

53145300144 is a wasteful number, since it uses less digits than its factorization.

53145300144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182677 (or 182671 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 53145300144 its reverse (44100354135), we get a palindrome (97245654279).

The spelling of 53145300144 in words is "fifty-three billion, one hundred forty-five million, three hundred thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 6277 12554 18831 25108 37662 50216 75324 100432 150648 176389 301296 352778 529167 705556 1058334 1411112 2116668 2822224 4233336 8466672 1107193753 2214387506 3321581259 4428775012 6643162518 8857550024 13286325036 17715100048 26572650072 53145300144