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53210031260 = 22523711629211
BaseRepresentation
bin110001100011100100…
…001010010010011100
312002100022001122200112
4301203210022102130
51332433232000020
640235551345152
73562410542321
oct614344122234
9162308048615
1053210031260
1120625748051
12a38bb221b8
13502cb113c9
14280abaab48
1515b65c52c5
hexc6390a49c

53210031260 has 48 divisors (see below), whose sum is σ = 118241690112. Its totient is φ = 20071867200.

The previous prime is 53210031253. The next prime is 53210031269. The reversal of 53210031260 is 6213001235.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53210031269) 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, 781946 + ... + 847265.

It is an arithmetic number, because the mean of its divisors is an integer number (2463368544).

Almost surely, 253210031260 is an apocalyptic number.

It is an amenable number.

53210031260 is an abundant number, since it is smaller than the sum of its proper divisors (65031658852).

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

53210031260 is a wasteful number, since it uses less digits than its factorization.

53210031260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1629314 (or 1629312 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 53210031260 its reverse (6213001235), we get a palindrome (59423032495).

The spelling of 53210031260 in words is "fifty-three billion, two hundred ten million, thirty-one thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 23 46 71 92 115 142 230 284 355 460 710 1420 1633 3266 6532 8165 16330 32660 1629211 3258422 6516844 8146055 16292110 32584220 37471853 74943706 115673981 149887412 187359265 231347962 374718530 462695924 578369905 749437060 1156739810 2313479620 2660501563 5321003126 10642006252 13302507815 26605015630 53210031260