Search a number
-
+
21414244032 = 2632291281983
BaseRepresentation
bin10011111100011000…
…110110111011000000
32001021101200022100100
4103330120312323000
5322324021302112
613500525322400
71355444033226
oct237430667300
961241608310
1021414244032
119099867545
124197706400
1320336a291c
141072064b16
15854ec62dc
hex4fc636ec0

21414244032 has 84 divisors (see below), whose sum is σ = 63496667520. Its totient is φ = 6891935232.

The previous prime is 21414244031. The next prime is 21414244067. The reversal of 21414244032 is 23044241412.

21414244032 is a `hidden beast` number, since 2 + 1 + 414 + 244 + 0 + 3 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 21414243987 and 21414244005.

It is not an unprimeable number, because it can be changed into a prime (21414244031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 624288 + ... + 657695.

Almost surely, 221414244032 is an apocalyptic number.

It is an amenable number.

21414244032 is an abundant number, since it is smaller than the sum of its proper divisors (42082423488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21414244032 is a wasteful number, since it uses less digits than its factorization.

21414244032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282030 (or 1282017 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 21414244032 its reverse (23044241412), we get a palindrome (44458485444).

The spelling of 21414244032 in words is "twenty-one billion, four hundred fourteen million, two hundred forty-four thousand, thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 29 32 36 48 58 64 72 87 96 116 144 174 192 232 261 288 348 464 522 576 696 928 1044 1392 1856 2088 2784 4176 5568 8352 16704 1281983 2563966 3845949 5127932 7691898 10255864 11537847 15383796 20511728 23075694 30767592 37177507 41023456 46151388 61535184 74355014 82046912 92302776 111532521 123070368 148710028 184605552 223065042 246140736 297420056 334597563 369211104 446130084 594840112 669195126 738422208 892260168 1189680224 1338390252 1784520336 2379360448 2676780504 3569040672 5353561008 7138081344 10707122016 21414244032