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12260410161620 = 2251016733901457
BaseRepresentation
bin1011001001101001100101…
…1001000111100111010100
31121102002021001201222000012
42302122121121013213110
53101333310000132440
642024204335335352
72403533251610465
oct262323131074724
947362231658005
1012260410161620
1139a76799a9605
121460196681558
136ac1c842780a
1430559ac00d6c
15163dc4b16e65
hexb26996479d4

12260410161620 has 48 divisors (see below), whose sum is σ = 26005671448848. Its totient is φ = 4854881433600.

The previous prime is 12260410161617. The next prime is 12260410161689. The reversal of 12260410161620 is 2616101406221.

12260410161620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 5855451398416 + 6404958763204 = 2419804^2 + 2530802^2 .

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, 13149932 + ... + 14051388.

It is an arithmetic number, because the mean of its divisors is an integer number (541784821851).

Almost surely, 212260410161620 is an apocalyptic number.

12260410161620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12260410161620 is an abundant number, since it is smaller than the sum of its proper divisors (13745261287228).

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

12260410161620 is a wasteful number, since it uses less digits than its factorization.

12260410161620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908300 (or 908298 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

Adding to 12260410161620 its reverse (2616101406221), we get a palindrome (14876511567841).

The spelling of 12260410161620 in words is "twelve trillion, two hundred sixty billion, four hundred ten million, one hundred sixty-one thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 101 202 404 505 1010 2020 6733 13466 26932 33665 67330 134660 680033 901457 1360066 1802914 2720132 3400165 3605828 4507285 6800330 9014570 13600660 18029140 91047157 182094314 364188628 455235785 910471570 1820943140 6069509981 12139019962 24278039924 30347549905 60695099810 121390199620 613020508081 1226041016162 2452082032324 3065102540405 6130205080810 12260410161620