Search a number
-
+
29012021092 = 22171471290039
BaseRepresentation
bin11011000001010000…
…000100111101100100
32202212220020101002201
4123001100010331210
5433404034133332
621154500144244
72044642052605
oct330120047544
982786211081
1029012021092
111133859093a
125758098084
1329747a66b2
141593149dac
15b4c01e5e7
hex6c1404f64

29012021092 has 24 divisors (see below), whose sum is σ = 53794298880. Its totient is φ = 13643387520.

The previous prime is 29012021081. The next prime is 29012021117.

29012021092 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 29012021092.

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, 44992 + ... + 245047.

It is an arithmetic number, because the mean of its divisors is an integer number (2241429120).

Almost surely, 229012021092 is an apocalyptic number.

It is an amenable number.

29012021092 is a deficient number, since it is larger than the sum of its proper divisors (24782277788).

29012021092 is a wasteful number, since it uses less digits than its factorization.

29012021092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291531 (or 291529 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 29012021092 in words is "twenty-nine billion, twelve million, twenty-one thousand, ninety-two".

Divisors: 1 2 4 17 34 68 1471 2942 5884 25007 50014 100028 290039 580078 1160156 4930663 9861326 19722652 426647369 853294738 1706589476 7253005273 14506010546 29012021092