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21030141310 = 252391435397
BaseRepresentation
bin10011100101011111…
…100111110101111110
32000021121220212110121
4103211133213311332
5321032204010220
613354444525154
71343101152223
oct234537476576
960247825417
1021030141310
118a11a6a482
1240aab507ba
131ca1c391c9
14103703b94a
15831402eaa
hex4e57e7d7e

21030141310 has 16 divisors (see below), whose sum is σ = 39500091936. Its totient is φ = 8046314848.

The previous prime is 21030141281. The next prime is 21030141337. The reversal of 21030141310 is 1314103012.

It is a super-2 number, since 2×210301413102 (a number of 21 digits) contains 22 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, 45717469 + ... + 45717928.

It is an arithmetic number, because the mean of its divisors is an integer number (2468755746).

Almost surely, 221030141310 is an apocalyptic number.

21030141310 is a deficient number, since it is larger than the sum of its proper divisors (18469950626).

21030141310 is a wasteful number, since it uses less digits than its factorization.

21030141310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91435427.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 21030141310 its reverse (1314103012), we get a palindrome (22344244322).

The spelling of 21030141310 in words is "twenty-one billion, thirty million, one hundred forty-one thousand, three hundred ten".

Divisors: 1 2 5 10 23 46 115 230 91435397 182870794 457176985 914353970 2103014131 4206028262 10515070655 21030141310