Search a number
-
+
28245898016 = 257532379203
BaseRepresentation
bin11010010011100101…
…100011001100100000
32200220111122021210222
4122103211203030200
5430321422214031
620550451342212
72016650112620
oct322345431440
980814567728
1028245898016
1110a85089276
1255835b1968
132881b5532b
14151d4bc880
15b04b39e7b
hex693963320

28245898016 has 48 divisors (see below), whose sum is σ = 64752416064. Its totient is φ = 11876976384.

The previous prime is 28245898003. The next prime is 28245898033. The reversal of 28245898016 is 61089854282.

It is a Harshad number since it is a multiple of its sum of digits (53).

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, 1177730 + ... + 1201473.

It is an arithmetic number, because the mean of its divisors is an integer number (1349008668).

Almost surely, 228245898016 is an apocalyptic number.

It is an amenable number.

28245898016 is an abundant number, since it is smaller than the sum of its proper divisors (36506518048).

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

28245898016 is a wasteful number, since it uses less digits than its factorization.

28245898016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2379273 (or 2379265 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 53.

The spelling of 28245898016 in words is "twenty-eight billion, two hundred forty-five million, eight hundred ninety-eight thousand, sixteen".

Divisors: 1 2 4 7 8 14 16 28 32 53 56 106 112 212 224 371 424 742 848 1484 1696 2968 5936 11872 2379203 4758406 9516812 16654421 19033624 33308842 38067248 66617684 76134496 126097759 133235368 252195518 266470736 504391036 532941472 882684313 1008782072 1765368626 2017564144 3530737252 4035128288 7061474504 14122949008 28245898016