Search a number
-
+
20203101631404 = 22324691911960981
BaseRepresentation
bin1001001011111111001101…
…01100100011001110101100
32122112101201220000101120100
410211333212230203032230
510122001423004201104
6110545102102551100
74153424456300016
oct445774654431654
978471656011510
1020203101631404
11648a0a61a487a
1223235b5a38490
13b371b507c663
144dbb9a23d1b6
152507e0777139
hex125fe6b233ac

20203101631404 has 36 divisors (see below), whose sum is σ = 51070044065040. Its totient is φ = 6734223115680.

The previous prime is 20203101631403. The next prime is 20203101631411. The reversal of 20203101631404 is 40413610130202.

It is a happy number.

20203101631404 is a `hidden beast` number, since 2 + 0 + 20 + 3 + 1 + 0 + 1 + 631 + 4 + 0 + 4 = 666.

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

It is a super-2 number, since 2×202031016314042 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20203101631403) 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, 4291407 + ... + 7669574.

It is an arithmetic number, because the mean of its divisors is an integer number (1418612335140).

Almost surely, 220203101631404 is an apocalyptic number.

It is an amenable number.

20203101631404 is an abundant number, since it is smaller than the sum of its proper divisors (30866942433636).

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

20203101631404 is a wasteful number, since it uses less digits than its factorization.

20203101631404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12007910 (or 12007905 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 20203101631404 its reverse (40413610130202), we get a palindrome (60616711761606).

The spelling of 20203101631404 in words is "twenty trillion, two hundred three billion, one hundred one million, six hundred thirty-one thousand, four hundred four".

Divisors: 1 2 3 4 6 9 12 18 36 46919 93838 140757 187676 281514 422271 563028 844542 1689084 11960981 23921962 35882943 47843924 71765886 107648829 143531772 215297658 430595316 561197267539 1122394535078 1683591802617 2244789070156 3367183605234 5050775407851 6734367210468 10101550815702 20203101631404