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2051231060 = 225894912347
BaseRepresentation
bin111101001000011…
…0100110101010100
312021221202100000202
41322100310311110
513200103343220
6535313000032
7101555114324
oct17220646524
95257670022
102051231060
1196295928a
12492b53018
13268c73bb8
141565d3284
15c0132275
hex7a434d54

2051231060 has 48 divisors (see below), whose sum is σ = 4366716480. Its totient is φ = 809276160.

The previous prime is 2051231059. The next prime is 2051231081. The reversal of 2051231060 is 601321502.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 872807 + ... + 875153.

It is an arithmetic number, because the mean of its divisors is an integer number (90973260).

Almost surely, 22051231060 is an apocalyptic number.

2051231060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2051231060 is an abundant number, since it is smaller than the sum of its proper divisors (2315485420).

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

2051231060 is a wasteful number, since it uses less digits than its factorization.

2051231060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2936 (or 2934 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 2051231060 is about 45290.5184337738. The cubic root of 2051231060 is about 1270.5883276589.

Adding to 2051231060 its reverse (601321502), we get a palindrome (2652552562).

The spelling of 2051231060 in words is "two billion, fifty-one million, two hundred thirty-one thousand, sixty".

Divisors: 1 2 4 5 10 20 89 178 356 445 491 890 982 1780 1964 2347 2455 4694 4910 9388 9820 11735 23470 43699 46940 87398 174796 208883 218495 417766 436990 835532 873980 1044415 1152377 2088830 2304754 4177660 4609508 5761885 11523770 23047540 102561553 205123106 410246212 512807765 1025615530 2051231060