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2121200232310 = 2519711091442591
BaseRepresentation
bin11110110111100001011…
…000101110011101110110
321111210012002110120200001
4132313201120232131312
5234223204224413220
64302244350341514
7306152214324025
oct36674130563566
97453162416601
102121200232310
11748661260235
122a31297ba89a
1312504a2c4873
14749493868bc
153a29d51780a
hex1ede162e776

2121200232310 has 64 divisors (see below), whose sum is σ = 4113118310400. Its totient is φ = 785230588800.

The previous prime is 2121200232299. The next prime is 2121200232337. The reversal of 2121200232310 is 132320021212.

It is a super-2 number, since 2×21212002323102 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 749115 + ... + 2191705.

It is an arithmetic number, because the mean of its divisors is an integer number (64267473600).

Almost surely, 22121200232310 is an apocalyptic number.

2121200232310 is a deficient number, since it is larger than the sum of its proper divisors (1991918078090).

2121200232310 is a wasteful number, since it uses less digits than its factorization.

2121200232310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442797.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2121200232310 its reverse (132320021212), we get a palindrome (2253520253522).

The spelling of 2121200232310 in words is "two trillion, one hundred twenty-one billion, two hundred million, two hundred thirty-two thousand, three hundred ten".

Divisors: 1 2 5 10 19 38 71 95 109 142 190 218 355 545 710 1090 1349 2071 2698 4142 6745 7739 10355 13490 15478 20710 38695 77390 147041 294082 735205 1442591 1470410 2885182 7212955 14425910 27409229 54818458 102423961 137046145 157242419 204847922 274092290 314484838 512119805 786212095 1024239610 1572424190 1946055259 2987605961 3892110518 5975211922 9730276295 11164211749 14938029805 19460552590 22328423498 29876059610 55821058745 111642117490 212120023231 424240046462 1060600116155 2121200232310