Search a number
-
+
28069627896 = 233514439109
BaseRepresentation
bin11010001001000101…
…001000011111111000
32200110012221211200000
4122021011020133320
5424441311043041
620521153313000
72012406620562
oct321105103770
980405854600
1028069627896
11109a4633992
125534565760
13285448909b
141503d16332
15ae441bbb6
hex6891487f8

28069627896 has 48 divisors (see below), whose sum is σ = 78837540600. Its totient is φ = 9356541984.

The previous prime is 28069627837. The next prime is 28069627907. The reversal of 28069627896 is 69872696082.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7217611 + ... + 7221498.

Almost surely, 228069627896 is an apocalyptic number.

It is an amenable number.

28069627896 is an abundant number, since it is smaller than the sum of its proper divisors (50767912704).

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

28069627896 is a wasteful number, since it uses less digits than its factorization.

28069627896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14439130 (or 14439114 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 63.

The spelling of 28069627896 in words is "twenty-eight billion, sixty-nine million, six hundred twenty-seven thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 216 243 324 486 648 972 1944 14439109 28878218 43317327 57756436 86634654 115512872 129951981 173269308 259903962 346538616 389855943 519807924 779711886 1039615848 1169567829 1559423772 2339135658 3118847544 3508703487 4678271316 7017406974 9356542632 14034813948 28069627896