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53255080280 = 2353893422563
BaseRepresentation
bin110001100110010000…
…000000100101011000
312002110102211101022202
4301212100000211120
51333031300032110
640244241105332
73563465466503
oct614620004530
9162412741282
1053255080280
1120649117046
12a3a3028248
13503925512c
142812b7613a
1515ba5230a5
hexc66400958

53255080280 has 32 divisors (see below), whose sum is σ = 120131996400. Its totient is φ = 21247264896.

The previous prime is 53255080273. The next prime is 53255080337. The reversal of 53255080280 is 8208055235.

It is a super-2 number, since 2×532550802802 (a number of 22 digits) contains 22 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, 1695722 + ... + 1726841.

Almost surely, 253255080280 is an apocalyptic number.

It is an amenable number.

53255080280 is an abundant number, since it is smaller than the sum of its proper divisors (66876916120).

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

53255080280 is a wasteful number, since it uses less digits than its factorization.

53255080280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3422963 (or 3422959 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 38.

The spelling of 53255080280 in words is "fifty-three billion, two hundred fifty-five million, eighty thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 389 778 1556 1945 3112 3890 7780 15560 3422563 6845126 13690252 17112815 27380504 34225630 68451260 136902520 1331377007 2662754014 5325508028 6656885035 10651016056 13313770070 26627540140 53255080280