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28260228824 = 234497867547
BaseRepresentation
bin11010010100011100…
…001101111011011000
32200221111121100222122
4122110130031323120
5430334104310244
620552122440412
72020212660452
oct322434157330
980844540878
1028260228824
1110a92187213
125588363108
132884b021b9
14152136d2d2
15b0601b1ee
hex69470ded8

28260228824 has 16 divisors (see below), whose sum is σ = 53105949000. Its totient is φ = 14098642432.

The previous prime is 28260228791. The next prime is 28260228839. The reversal of 28260228824 is 42882206282.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3930182 + ... + 3937365.

Almost surely, 228260228824 is an apocalyptic number.

It is an amenable number.

28260228824 is a deficient number, since it is larger than the sum of its proper divisors (24845720176).

28260228824 is a wasteful number, since it uses less digits than its factorization.

28260228824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7868002 (or 7867998 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 44.

The spelling of 28260228824 in words is "twenty-eight billion, two hundred sixty million, two hundred twenty-eight thousand, eight hundred twenty-four".

Divisors: 1 2 4 8 449 898 1796 3592 7867547 15735094 31470188 62940376 3532528603 7065057206 14130114412 28260228824