Search a number
-
+
69508750080 = 2835721124371
BaseRepresentation
bin100000010111100001…
…0110101101100000000
320122102011222100200010
41000233002311230000
52114323220000310
651533141424520
75010330425100
oct1005702655400
9218364870603
1069508750080
1127529971800
121157a40b140
136729737223
14351569b200
151c1c425320
hex102f0b5b00

69508750080 has 1296 divisors, whose sum is σ = 294539680512. Its totient is φ = 13908787200.

The previous prime is 69508750067. The next prime is 69508750093. The reversal of 69508750080 is 8005780596.

It is an interprime number because it is at equal distance from previous prime (69508750067) and next prime (69508750093).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 978996445 + ... + 978996515.

It is an arithmetic number, because the mean of its divisors is an integer number (227268272).

Almost surely, 269508750080 is an apocalyptic number.

69508750080 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69508750080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147269840256).

69508750080 is an abundant number, since it is smaller than the sum of its proper divisors (225030930432).

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

69508750080 is a wasteful number, since it uses less digits than its factorization.

69508750080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 48.

The spelling of 69508750080 in words is "sixty-nine billion, five hundred eight million, seven hundred fifty thousand, eighty".