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21160132423213 = 723131429393933
BaseRepresentation
bin1001100111110101110100…
…01011010010111000101101
32202220220000000021212122011
410303322322023102320231
510233141422400020323
6113000455230121221
74312524543636430
oct463727213227055
982826000255564
1021160132423213
116818a64122663
122458b85650211
13ba65130a2904
14532227a09817
1526a6549e620d
hex133eba2d2e2d

21160132423213 has 8 divisors (see below), whose sum is σ = 25234443635328. Its totient is φ = 17348679999024.

The previous prime is 21160132423181. The next prime is 21160132423219. The reversal of 21160132423213 is 31232423106112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21160132423213 - 25 = 21160132423181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21160132423219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65714696806 + ... + 65714697127.

It is an arithmetic number, because the mean of its divisors is an integer number (3154305454416).

Almost surely, 221160132423213 is an apocalyptic number.

21160132423213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

21160132423213 is a deficient number, since it is larger than the sum of its proper divisors (4074311212115).

21160132423213 is a wasteful number, since it uses less digits than its factorization.

21160132423213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131429393963.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 21160132423213 its reverse (31232423106112), we get a palindrome (52392555529325).

The spelling of 21160132423213 in words is "twenty-one trillion, one hundred sixty billion, one hundred thirty-two million, four hundred twenty-three thousand, two hundred thirteen".

Divisors: 1 7 23 161 131429393933 920005757531 3022876060459 21160132423213