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53223240144 = 24317591105501
BaseRepresentation
bin110001100100010110…
…100011000111010000
312002101012220201212110
4301210112203013100
51333000122141034
640241142425320
73562631035224
oct614426430720
9162335821773
1053223240144
112063214a088
12a394432240
135032787709
14280c848784
1515b7833de9
hexc645a31d0

53223240144 has 80 divisors (see below), whose sum is σ = 148048827840. Its totient is φ = 16414464000.

The previous prime is 53223240107. The next prime is 53223240149. The reversal of 53223240144 is 44104232235.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53223240149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 504607 + ... + 600894.

It is an arithmetic number, because the mean of its divisors is an integer number (1850610348).

Almost surely, 253223240144 is an apocalyptic number.

It is an amenable number.

53223240144 is an abundant number, since it is smaller than the sum of its proper divisors (94825587696).

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

53223240144 is a wasteful number, since it uses less digits than its factorization.

53223240144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105588 (or 1105582 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 53223240144 its reverse (44104232235), we get a palindrome (97327472379).

The spelling of 53223240144 in words is "fifty-three billion, two hundred twenty-three million, two hundred forty thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 17 24 34 48 51 59 68 102 118 136 177 204 236 272 354 408 472 708 816 944 1003 1416 2006 2832 3009 4012 6018 8024 12036 16048 24072 48144 1105501 2211002 3316503 4422004 6633006 8844008 13266012 17688016 18793517 26532024 37587034 53064048 56380551 65224559 75174068 112761102 130449118 150348136 195673677 225522204 260898236 300696272 391347354 451044408 521796472 782694708 902088816 1043592944 1108817503 1565389416 2217635006 3130778832 3326452509 4435270012 6652905018 8870540024 13305810036 17741080048 26611620072 53223240144