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2126868960 = 253510741411
BaseRepresentation
bin111111011000101…
…0111000111100000
312111020002010201110
41332301113013200
513323434301320
6551014103320
7103464042066
oct17661270740
95436063643
102126868960
119a1620147
124b434ab40
1327b837958
14162682036
15c6ac35e0
hex7ec571e0

2126868960 has 96 divisors (see below), whose sum is σ = 6762413952. Its totient is φ = 561850880.

The previous prime is 2126868893. The next prime is 2126868979. The reversal of 2126868960 is 698686212.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×21268689602 = 9047143146022963200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30655 + ... + 72065.

It is an arithmetic number, because the mean of its divisors is an integer number (70441812).

Almost surely, 22126868960 is an apocalyptic number.

2126868960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2126868960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3381206976).

2126868960 is an abundant number, since it is smaller than the sum of its proper divisors (4635544992).

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

2126868960 is a wasteful number, since it uses less digits than its factorization.

2126868960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41536 (or 41528 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 2126868960 is about 46117.9895485482. The cubic root of 2126868960 is about 1286.0175964479.

The spelling of 2126868960 in words is "two billion, one hundred twenty-six million, eight hundred sixty-eight thousand, nine hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 107 120 160 214 240 321 428 480 535 642 856 1070 1284 1605 1712 2140 2568 3210 3424 4280 5136 6420 8560 10272 12840 17120 25680 41411 51360 82822 124233 165644 207055 248466 331288 414110 496932 621165 662576 828220 993864 1242330 1325152 1656440 1987728 2484660 3312880 3975456 4430977 4969320 6625760 8861954 9938640 13292931 17723908 19877280 22154885 26585862 35447816 44309770 53171724 66464655 70895632 88619540 106343448 132929310 141791264 177239080 212686896 265858620 354478160 425373792 531717240 708956320 1063434480 2126868960