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105096250640 = 2451313703133
BaseRepresentation
bin110000111100000111…
…0011000010100010000
3101001021100010200212102
41201320032120110100
53210214120010030
6120140333215532
710410245251043
oct1417016302420
9331240120772
10105096250640
1140631103697
12184506315a8
139bab59b374
14512dc18c5a
152b01854c45
hex1878398510

105096250640 has 20 divisors (see below), whose sum is σ = 244348782924. Its totient is φ = 42038500224.

The previous prime is 105096250631. The next prime is 105096250643. The reversal of 105096250640 is 46052690501.

It can be written as a sum of positive squares in 2 ways, for example, as 67999949824 + 37096300816 = 260768^2 + 192604^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×1050962506402 (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 105096250594 and 105096250603.

It is not an unprimeable number, because it can be changed into a prime (105096250643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 656851487 + ... + 656851646.

Almost surely, 2105096250640 is an apocalyptic number.

105096250640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105096250640 is an abundant number, since it is smaller than the sum of its proper divisors (139252532284).

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

105096250640 is a wasteful number, since it uses less digits than its factorization.

105096250640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313703146 (or 1313703140 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 105096250640 in words is "one hundred five billion, ninety-six million, two hundred fifty thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1313703133 2627406266 5254812532 6568515665 10509625064 13137031330 21019250128 26274062660 52548125320 105096250640