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53145154552 = 2378910663153
BaseRepresentation
bin110001011111101100…
…101011001111111000
312002011202222120120111
4301133230223033320
51332320124421202
640225313034104
73560662234360
oct613754531770
9162152876514
1053145154552
11205a2066236
12a372255934
13501c547819
14280231d9a0
1515b0a5c6d7
hexc5fb2b3f8

53145154552 has 32 divisors (see below), whose sum is σ = 115162063200. Its totient is φ = 22520577024.

The previous prime is 53145154547. The next prime is 53145154589. The reversal of 53145154552 is 25545154135.

It is a super-3 number, since 3×531451545523 (a number of 33 digits) contains 333 as substring.

It is a congruent number.

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, 5326593 + ... + 5336560.

It is an arithmetic number, because the mean of its divisors is an integer number (3598814475).

Almost surely, 253145154552 is an apocalyptic number.

It is an amenable number.

53145154552 is an abundant number, since it is smaller than the sum of its proper divisors (62016908648).

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

53145154552 is a wasteful number, since it uses less digits than its factorization.

53145154552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10663255 (or 10663251 counting only the distinct ones).

The product of its digits is 300000, while the sum is 40.

The spelling of 53145154552 in words is "fifty-three billion, one hundred forty-five million, one hundred fifty-four thousand, five hundred fifty-two".

Divisors: 1 2 4 7 8 14 28 56 89 178 356 623 712 1246 2492 4984 10663153 21326306 42652612 74642071 85305224 149284142 298568284 597136568 949020617 1898041234 3796082468 6643144319 7592164936 13286288638 26572577276 53145154552