101009357650 has 24 divisors (see below), whose sum is σ = 189737587044. Its totient is φ = 40003704000.

The previous prime is 101009357641. The next prime is 101009357653. The reversal of 101009357650 is 56753900101.

It can be written as a sum of positive squares in 6 ways, for example, as 45475136001 + 55534221649 = 213249^2 + 235657^2 .

It is a super-2 number, since 2×101009357650² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101009357653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9995877 + ... + 10005976.

Almost surely, 2^101009357650 is an apocalyptic number.

101009357650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101009357650 is a deficient number, since it is larger than the sum of its proper divisors (88728229394).

101009357650 is a wasteful number, since it uses less digits than its factorization.

101009357650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20001966 (or 20001961 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 37.

The spelling of 101009357650 in words is "one hundred one billion, nine million, three hundred fifty-seven thousand, six hundred fifty".