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53200245252 = 223711193030317
BaseRepresentation
bin110001100010111110…
…110101001000000100
312002022121122110210210
4301202332311020010
51332423230322002
640235001515420
73562231423560
oct614276651004
9162277573723
1053200245252
1120620173740
12a3887a2b70
13502aa9607b
1428097806a0
1515b57e096c
hexc62fb5204

53200245252 has 96 divisors (see below), whose sum is σ = 162909895680. Its totient is φ = 13090965120.

The previous prime is 53200245229. The next prime is 53200245253. The reversal of 53200245252 is 25254200235.

It is not an unprimeable number, because it can be changed into a prime (53200245253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1497603 + ... + 1532714.

It is an arithmetic number, because the mean of its divisors is an integer number (1696978080).

Almost surely, 253200245252 is an apocalyptic number.

It is an amenable number.

53200245252 is an abundant number, since it is smaller than the sum of its proper divisors (109709650428).

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

53200245252 is a wasteful number, since it uses less digits than its factorization.

53200245252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030361 (or 3030359 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

Adding to 53200245252 its reverse (25254200235), we get a palindrome (78454445487).

The spelling of 53200245252 in words is "fifty-three billion, two hundred million, two hundred forty-five thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 7 11 12 14 19 21 22 28 33 38 42 44 57 66 76 77 84 114 132 133 154 209 228 231 266 308 399 418 462 532 627 798 836 924 1254 1463 1596 2508 2926 4389 5852 8778 17556 3030317 6060634 9090951 12121268 18181902 21212219 33333487 36363804 42424438 57576023 63636657 66666974 84848876 100000461 115152046 127273314 133333948 172728069 200000922 230304092 233334409 254546628 345456138 400001844 403032161 466668818 633336253 690912276 700003227 806064322 933337636 1209096483 1266672506 1400006454 1612128644 1900008759 2418192966 2533345012 2800012908 3800017518 4433353771 4836385932 7600035036 8866707542 13300061313 17733415084 26600122626 53200245252