Search a number
-
+
2123021030310 = 233545611723973
BaseRepresentation
bin11110111001001101111…
…010100001001110100110
321111221212222121200222000
4132321031322201032212
5234240421340432220
64303145152350130
7306245304003015
oct36711572411646
97457788550860
102123021030310
1174940602a774
122a3557545346
1312527a5b732b
1474a7d114a7c
153a3582cd390
hex1ee4dea13a6

2123021030310 has 64 divisors (see below), whose sum is σ = 5662633959360. Its totient is φ = 566014487040.

The previous prime is 2123021030309. The next prime is 2123021030321. The reversal of 2123021030310 is 130301203212.

2123021030310 is a `hidden beast` number, since 2 + 12 + 302 + 10 + 30 + 310 = 666.

It is a super-2 number, since 2×21230210303102 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 369484 + ... + 2093456.

It is an arithmetic number, because the mean of its divisors is an integer number (88478655615).

Almost surely, 22123021030310 is an apocalyptic number.

2123021030310 is an abundant number, since it is smaller than the sum of its proper divisors (3539612929050).

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

2123021030310 is a wasteful number, since it uses less digits than its factorization.

2123021030310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728550 (or 1728544 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 2123021030310 its reverse (130301203212), we get a palindrome (2253322233522).

The spelling of 2123021030310 in words is "two trillion, one hundred twenty-three billion, twenty-one million, thirty thousand, three hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 4561 9122 13683 22805 27366 41049 45610 68415 82098 123147 136830 205245 246294 410490 615735 1231470 1723973 3447946 5171919 8619865 10343838 15515757 17239730 25859595 31031514 46547271 51719190 77578785 93094542 155157570 232736355 465472710 7863040853 15726081706 23589122559 39315204265 47178245118 70767367677 78630408530 117945612795 141534735354 212302103031 235891225590 353836838385 424604206062 707673676770 1061510515155 2123021030310