Search a number
-
+
106304649972 = 22321661408971
BaseRepresentation
bin110001100000001000…
…0000011101011110100
3101011101112221202010020
41203000100003223310
53220202442244342
6120500301325140
710452220421133
oct1430020035364
9334345852106
10106304649972
11410a1226a24
12187292667b0
13a041a43961
1452064d391a
152b7299e0ec
hex18c0403af4

106304649972 has 24 divisors (see below), whose sum is σ = 248056240992. Its totient is φ = 35433160800.

The previous prime is 106304649953. The next prime is 106304649973. The reversal of 106304649972 is 279946403601.

It is a happy number.

It is a super-2 number, since 2×1063046499722 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106304649973) 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, 55447 + ... + 464417.

It is an arithmetic number, because the mean of its divisors is an integer number (10335676708).

Almost surely, 2106304649972 is an apocalyptic number.

106304649972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

106304649972 is an abundant number, since it is smaller than the sum of its proper divisors (141751591020).

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

106304649972 is a wasteful number, since it uses less digits than its factorization.

106304649972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430639 (or 430637 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 51.

The spelling of 106304649972 in words is "one hundred six billion, three hundred four million, six hundred forty-nine thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 21661 43322 64983 86644 129966 259932 408971 817942 1226913 1635884 2453826 4907652 8858720831 17717441662 26576162493 35434883324 53152324986 106304649972