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2131143262630 = 251741957751853
BaseRepresentation
bin11111000000110010000…
…010011000000110100110
321112201212001000212002021
4133000302002120012212
5234404040133401010
64311011140133354
7306653500562434
oct37006202300646
97481761025067
102131143262630
117518a38a4068
122a504369725a
13125c73256465
147520db19d54
153a6813c08da
hex1f0320981a6

2131143262630 has 64 divisors (see below), whose sum is σ = 4078536960960. Its totient is φ = 798995349504.

The previous prime is 2131143262627. The next prime is 2131143262649. The reversal of 2131143262630 is 362623411312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 41073784 + ... + 41125636.

It is an arithmetic number, because the mean of its divisors is an integer number (63727140015).

Almost surely, 22131143262630 is an apocalyptic number.

2131143262630 is a deficient number, since it is larger than the sum of its proper divisors (1947393698330).

2131143262630 is a wasteful number, since it uses less digits than its factorization.

2131143262630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52873.

The product of its (nonzero) digits is 31104, while the sum is 34.

Adding to 2131143262630 its reverse (362623411312), we get a palindrome (2493766673942).

The spelling of 2131143262630 in words is "two trillion, one hundred thirty-one billion, one hundred forty-three million, two hundred sixty-two thousand, six hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 419 577 838 1154 2095 2885 4190 5770 7123 9809 14246 19618 35615 49045 51853 71230 98090 103706 241763 259265 483526 518530 881501 1208815 1763002 2417630 4109971 4407505 8219942 8815010 20549855 21726407 29919181 41099710 43452814 59838362 108632035 149595905 217264070 299191810 369348919 508626077 738697838 1017252154 1846744595 2543130385 3693489190 5086260770 12536136839 25072273678 62680684195 125361368390 213114326263 426228652526 1065571631315 2131143262630