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58208209920 = 2103257181997
BaseRepresentation
bin110110001101011110…
…101100110000000000
312120020122000102211200
4312031132230300000
51423202300204140
642423535541200
74130311422630
oct661536546000
9176218012750
1058208209920
1122760020713
12b34598a800
135648482c83
142b629166c0
1517aa2bc030
hexd8d7acc00

58208209920 has 528 divisors, whose sum is σ = 232008748608. Its totient is φ = 13217955840.

The previous prime is 58208209919. The next prime is 58208209957. The reversal of 58208209920 is 2990280285.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 58382862 + ... + 58383858.

Almost surely, 258208209920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 58208209920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116004374304).

58208209920 is an abundant number, since it is smaller than the sum of its proper divisors (173800538688).

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

58208209920 is a wasteful number, since it uses less digits than its factorization.

58208209920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216 (or 1195 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 58208209920 in words is "fifty-eight billion, two hundred eight million, two hundred nine thousand, nine hundred twenty".