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2120401230202 = 21801588673301
BaseRepresentation
bin11110110110110001110…
…000110001100101111010
321111201010102000001211101
4132312301300301211322
5234220040203331302
64302033205122014
7306123343034563
oct36666160614572
97451112001741
102120401230202
11748291241112
122a2b460b930a
13124c50900c58
14748b11db16a
153a2532db287
hex1edb1c3197a

2120401230202 has 8 divisors (see below), whose sum is σ = 3182367870612. Its totient is φ = 1059611940000.

The previous prime is 2120401230161. The next prime is 2120401230217. The reversal of 2120401230202 is 2020321040212.

It can be written as a sum of positive squares in 2 ways, for example, as 1470279927601 + 650121302601 = 1212551^2 + 806301^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21204012302022 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2120401230202.

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 3 ways as a sum of consecutive naturals, for example, 294333049 + ... + 294340252.

Almost surely, 22120401230202 is an apocalyptic number.

2120401230202 is a deficient number, since it is larger than the sum of its proper divisors (1061966640410).

2120401230202 is a wasteful number, since it uses less digits than its factorization.

2120401230202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588675104.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 2120401230202 its reverse (2020321040212), we get a palindrome (4140722270414).

The spelling of 2120401230202 in words is "two trillion, one hundred twenty billion, four hundred one million, two hundred thirty thousand, two hundred two".

Divisors: 1 2 1801 3602 588673301 1177346602 1060200615101 2120401230202