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2031243211044 = 2232179315214651
BaseRepresentation
bin11101100011101111100…
…001111011000100100100
321012011222211110102021200
4131203233201323010210
5231234441230223134
64153050143242500
7266516046262635
oct35435741730444
97164884412250
102031243211044
11713499924763
122898032a9430
1311971236cbb8
147045407588c
1537c85d2a499
hex1d8ef87b124

2031243211044 has 36 divisors (see below), whose sum is σ = 5163215999760. Its totient is φ = 673298492400.

The previous prime is 2031243211043. The next prime is 2031243211069. The reversal of 2031243211044 is 4401123421302.

2031243211044 is a `hidden beast` number, since 20 + 312 + 4 + 321 + 1 + 0 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 2031243210999 and 2031243211017.

It is not an unprimeable number, because it can be changed into a prime (2031243211043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 157600882 + ... + 157613769.

It is an arithmetic number, because the mean of its divisors is an integer number (143422666660).

Almost surely, 22031243211044 is an apocalyptic number.

It is an amenable number.

2031243211044 is an abundant number, since it is smaller than the sum of its proper divisors (3131972788716).

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

2031243211044 is a wasteful number, since it uses less digits than its factorization.

2031243211044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315214840 (or 315214835 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 2031243211044 its reverse (4401123421302), we get a palindrome (6432366632346).

The spelling of 2031243211044 in words is "two trillion, thirty-one billion, two hundred forty-three million, two hundred eleven thousand, forty-four".

Divisors: 1 2 3 4 6 9 12 18 36 179 358 537 716 1074 1611 2148 3222 6444 315214651 630429302 945643953 1260858604 1891287906 2836931859 3782575812 5673863718 11347727436 56423422529 112846845058 169270267587 225693690116 338540535174 507810802761 677081070348 1015621605522 2031243211044