Search a number
-
+
21463603030 = 2542110914673
BaseRepresentation
bin10011111111010101…
…001001011101010110
32001101211120000011101
4103333111021131112
5322424140244110
613505451300314
71356613421062
oct237725113526
961354500141
1021463603030
11911470a701
1241b014a69a
13204099532c
141078832aa2
158594c613a
hex4ff549756

21463603030 has 32 divisors (see below), whose sum is σ = 38770044768. Its totient is φ = 8555366400.

The previous prime is 21463603019. The next prime is 21463603039. The reversal of 21463603030 is 3030636412.

It is a self number, because there is not a number n which added to its sum of digits gives 21463603030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21463603039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4590774 + ... + 4595446.

It is an arithmetic number, because the mean of its divisors is an integer number (1211563899).

Almost surely, 221463603030 is an apocalyptic number.

21463603030 is a deficient number, since it is larger than the sum of its proper divisors (17306441738).

21463603030 is a wasteful number, since it uses less digits than its factorization.

21463603030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6192.

The product of its (nonzero) digits is 7776, while the sum is 28.

The spelling of 21463603030 in words is "twenty-one billion, four hundred sixty-three million, six hundred three thousand, thirty".

Divisors: 1 2 5 10 421 842 1091 2105 2182 4210 4673 5455 9346 10910 23365 46730 459311 918622 1967333 2296555 3934666 4593110 5098243 9836665 10196486 19673330 25491215 50982430 2146360303 4292720606 10731801515 21463603030