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53122250520 = 2333549187269
BaseRepresentation
bin110001011110010101…
…010011011100011000
312002010011212221011000
4301132111103130120
51332243244004040
640223134105000
73560263451643
oct613625233430
9162104787130
1053122250520
1120590142089
12a36664b160
135017888641
1427dd27aa5a
1515ada36130
hexc5e553718

53122250520 has 64 divisors (see below), whose sum is σ = 177074172000. Its totient is φ = 14165933184.

The previous prime is 53122250509. The next prime is 53122250581. The reversal of 53122250520 is 2505222135.

53122250520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24592555 + ... + 24594714.

Almost surely, 253122250520 is an apocalyptic number.

It is an amenable number.

53122250520 is an abundant number, since it is smaller than the sum of its proper divisors (123951921480).

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

53122250520 is a wasteful number, since it uses less digits than its factorization.

53122250520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49187289 (or 49187279 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

Adding to 53122250520 its reverse (2505222135), we get a palindrome (55627472655).

The spelling of 53122250520 in words is "fifty-three billion, one hundred twenty-two million, two hundred fifty thousand, five hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 90 108 120 135 180 216 270 360 540 1080 49187269 98374538 147561807 196749076 245936345 295123614 393498152 442685421 491872690 590247228 737809035 885370842 983745380 1180494456 1328056263 1475618070 1770741684 1967490760 2213427105 2656112526 2951236140 3541483368 4426854210 5312225052 5902472280 6640281315 8853708420 10624450104 13280562630 17707416840 26561125260 53122250520