Search a number
-
+
21000115013014 = 29721912158363
BaseRepresentation
bin1001100011001011110000…
…11001010100010110010110
32202100120222010022012100001
410301211320121110112112
510223031213420404024
6112355153013441514
74265131266251554
oct461457031242626
982316863265301
1021000115013014
11676710a4a8a05
122431b6804029a
13b943c134b5c7
145285a7a82bd4
152663db76a244
hex131978654596

21000115013014 has 24 divisors (see below), whose sum is σ = 31830474392568. Its totient is φ = 10391087969280.

The previous prime is 21000115012957. The next prime is 21000115013041. The reversal of 21000115013014 is 41031051100012.

It is a junction number, because it is equal to n+sod(n) for n = 21000115012982 and 21000115013000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 359789797 + ... + 359848159.

It is an arithmetic number, because the mean of its divisors is an integer number (1326269766357).

Almost surely, 221000115013014 is an apocalyptic number.

21000115013014 is a deficient number, since it is larger than the sum of its proper divisors (10830359379554).

21000115013014 is an equidigital number, since it uses as much as digits as its factorization.

21000115013014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77680 (or 77583 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 19.

Adding to 21000115013014 its reverse (41031051100012), we get a palindrome (62031166113026).

The spelling of 21000115013014 in words is "twenty-one trillion, one hundred fifteen million, thirteen thousand, fourteen".

Divisors: 1 2 97 194 9409 18818 19121 38242 58363 116726 1854737 3709474 5661211 11322422 179909489 359818978 549137467 1098274934 1115958923 2231917846 108248015531 216496031062 10500057506507 21000115013014