Search a number
BaseRepresentation
bin1001100011000…
…11101100001100
312120201111200200
410301203230030
5131001200413
611540453500
71661561004
oct461435414
9176644620
1080100108
114123a440
12229aa290
1313796b1a
14a8d1004
157073573
hex4c63b0c

80100108 has 72 divisors (see below), whose sum is σ = 224253120. Its totient is φ = 23902560.

The previous prime is 80100091. The next prime is 80100127.

It can be divided in two parts, 80100 and 108, that added together give a palindrome (80208).

It is a happy number.

80100108 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×801001082 = 12832054603223328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

80100108 is a strobogrammatic number because it is the same when read upside-down.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25023 + ... + 28041.

Almost surely, 280100108 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 80100108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112126560).

80100108 is an abundant number, since it is smaller than the sum of its proper divisors (144153012).

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

80100108 is a wasteful number, since it uses less digits than its factorization.

80100108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3107 (or 3102 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The square root of 80100108 is about 8949.8663677175. The cubic root of 80100108 is about 431.0665932133.

The spelling of 80100108 in words is "eighty million, one hundred thousand, one hundred eight".