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21430150510 = 255936322289
BaseRepresentation
bin10011111101010101…
…100010010101101110
32001022111121102221011
4103331111202111232
5322342104304020
613502254255434
71356026162626
oct237525422556
961274542834
1021430150510
1190a784129a
1241a0ab757a
132036a81a42
141074205886
158565b935a
hex4fd56256e

21430150510 has 16 divisors (see below), whose sum is σ = 39228073200. Its totient is φ = 8426770816.

The previous prime is 21430150453. The next prime is 21430150541. The reversal of 21430150510 is 1505103412.

It is a happy number.

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, 18160555 + ... + 18161734.

It is an arithmetic number, because the mean of its divisors is an integer number (2451754575).

Almost surely, 221430150510 is an apocalyptic number.

21430150510 is a deficient number, since it is larger than the sum of its proper divisors (17797922690).

21430150510 is a wasteful number, since it uses less digits than its factorization.

21430150510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36322355.

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 21430150510 its reverse (1505103412), we get a palindrome (22935253922).

The spelling of 21430150510 in words is "twenty-one billion, four hundred thirty million, one hundred fifty thousand, five hundred ten".

Divisors: 1 2 5 10 59 118 295 590 36322289 72644578 181611445 363222890 2143015051 4286030102 10715075255 21430150510