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21141241404 = 2231992724743
BaseRepresentation
bin10011101100000111…
…011011111000111100
32000120100222100010220
4103230013123320330
5321244124211104
613413454101340
71345620405213
oct235407337074
960510870126
1021141241404
118a69752638
1241201aa850
131cbbc681ca
141047abc07a
1583b04b7d9
hex4ec1dbe3c

21141241404 has 24 divisors (see below), whose sum is σ = 51925856640. Its totient is φ = 6676181424.

The previous prime is 21141241393. The next prime is 21141241441. The reversal of 21141241404 is 40414214112.

It is a super-3 number, since 3×211412414043 (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46362144 + ... + 46362599.

It is an arithmetic number, because the mean of its divisors is an integer number (2163577360).

Almost surely, 221141241404 is an apocalyptic number.

It is an amenable number.

21141241404 is an abundant number, since it is smaller than the sum of its proper divisors (30784615236).

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

21141241404 is a wasteful number, since it uses less digits than its factorization.

21141241404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92724769 (or 92724767 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 21141241404 its reverse (40414214112), we get a palindrome (61555455516).

The spelling of 21141241404 in words is "twenty-one billion, one hundred forty-one million, two hundred forty-one thousand, four hundred four".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 92724743 185449486 278174229 370898972 556348458 1112696916 1761770117 3523540234 5285310351 7047080468 10570620702 21141241404