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53222311240 = 2357486139103
BaseRepresentation
bin110001100100010011…
…000000010101001000
312002101011011112122121
4301210103000111020
51332444402424430
640241110501024
73562620116110
oct614423002510
9162334145577
1053222311240
112063167519a
12a394064774
135032520977
14280c686040
1515b76eda7a
hexc644c0548

53222311240 has 64 divisors (see below), whose sum is σ = 136889026560. Its totient is φ = 18243429120.

The previous prime is 53222311231. The next prime is 53222311291. The reversal of 53222311240 is 4211322235.

It is a super-2 number, since 2×532223112402 (a number of 22 digits) contains 22 as substring.

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, 1341529 + ... + 1380631.

It is an arithmetic number, because the mean of its divisors is an integer number (2138891040).

Almost surely, 253222311240 is an apocalyptic number.

It is an amenable number.

53222311240 is an abundant number, since it is smaller than the sum of its proper divisors (83666715320).

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

53222311240 is a wasteful number, since it uses less digits than its factorization.

53222311240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43982 (or 43978 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 53222311240 its reverse (4211322235), we get a palindrome (57433633475).

The spelling of 53222311240 in words is "fifty-three billion, two hundred twenty-two million, three hundred eleven thousand, two hundred forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 4861 9722 19444 24305 34027 38888 39103 48610 68054 78206 97220 136108 156412 170135 194440 195515 272216 273721 312824 340270 391030 547442 680540 782060 1094884 1361080 1368605 1564120 2189768 2737210 5474420 10948840 190079683 380159366 760318732 950398415 1330557781 1520637464 1900796830 2661115562 3801593660 5322231124 6652788905 7603187320 10644462248 13305577810 26611155620 53222311240