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65401050560 = 2652947914713
BaseRepresentation
bin111100111010001101…
…001101010111000000
320020210220121121020212
4330322031031113000
52032420132104220
650013403253252
74503461520536
oct747215152700
9206726547225
1065401050560
112581120830a
121081281a228
1362237075b1
143245d10156
151a7b9c90c5
hexf3a34d5c0

65401050560 has 112 divisors (see below), whose sum is σ = 161453779200. Its totient is φ = 25203892224.

The previous prime is 65401050541. The next prime is 65401050569. The reversal of 65401050560 is 6505010456.

65401050560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×654010505603 (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65401050569) 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, 4437764 + ... + 4452476.

It is an arithmetic number, because the mean of its divisors is an integer number (1441551600).

Almost surely, 265401050560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65401050560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80726889600).

65401050560 is an abundant number, since it is smaller than the sum of its proper divisors (96052728640).

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

65401050560 is a wasteful number, since it uses less digits than its factorization.

65401050560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15238 (or 15228 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 65401050560 in words is "sixty-five billion, four hundred one million, fifty thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 29 32 40 58 64 80 116 145 160 232 290 320 464 479 580 928 958 1160 1856 1916 2320 2395 3832 4640 4790 7664 9280 9580 13891 14713 15328 19160 27782 29426 30656 38320 55564 58852 69455 73565 76640 111128 117704 138910 147130 153280 222256 235408 277820 294260 426677 444512 470816 555640 588520 853354 889024 941632 1111280 1177040 1706708 2133385 2222560 2354080 3413416 4266770 4445120 4708160 6826832 7047527 8533540 13653664 14095054 17067080 27307328 28190108 34134160 35237635 56380216 68268320 70475270 112760432 136536640 140950540 204378283 225520864 281901080 408756566 451041728 563802160 817513132 1021891415 1127604320 1635026264 2043782830 2255208640 3270052528 4087565660 6540105056 8175131320 13080210112 16350262640 32700525280 65401050560