Search a number
-
+
3100420112 = 243137916493
BaseRepresentation
bin1011100011001100…
…1010100000010000
322000001222122211112
42320303022200100
522322201420422
61231352432452
7136555064456
oct27063124020
98001878745
103100420112
111351119579
127263a8728
133a544431a
14215aa69d6
151322ccee2
hexb8cca810

3100420112 has 40 divisors (see below), whose sum is σ = 6217578240. Its totient is φ = 1496154240.

The previous prime is 3100420111. The next prime is 3100420151. The reversal of 3100420112 is 2110240013.

It is a super-2 number, since 2×31004201122 = 19225209741788185088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3100420111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179738 + ... + 196230.

It is an arithmetic number, because the mean of its divisors is an integer number (155439456).

Almost surely, 23100420112 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 3100420112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3108789120).

3100420112 is an abundant number, since it is smaller than the sum of its proper divisors (3117158128).

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

3100420112 is a wasteful number, since it uses less digits than its factorization.

3100420112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16911 (or 16905 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 3100420112 is about 55681.4162176215. The cubic root of 3100420112 is about 1458.1656000769.

Adding to 3100420112 its reverse (2110240013), we get a palindrome (5210660125).

The spelling of 3100420112 in words is "three billion, one hundred million, four hundred twenty thousand, one hundred twelve".

Divisors: 1 2 4 8 16 31 62 124 248 379 496 758 1516 3032 6064 11749 16493 23498 32986 46996 65972 93992 131944 187984 263888 511283 1022566 2045132 4090264 6250847 8180528 12501694 25003388 50006776 100013552 193776257 387552514 775105028 1550210056 3100420112