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10646402140 = 2251148392737
BaseRepresentation
bin10011110101001001…
…10011010001011100
31000110222002021011101
421322210303101130
5133300434332030
64520233202444
7524553632203
oct117244632134
930428067141
1010646402140
114573686560
122091560424
1310088b194a
1472dd4823a
154249e47ca
hex27a93345c

10646402140 has 24 divisors (see below), whose sum is σ = 24389939952. Its totient is φ = 3871418880.

The previous prime is 10646402093. The next prime is 10646402147. The reversal of 10646402140 is 4120464601.

10646402140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×106464021402 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10646402099 and 10646402108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10646402147) 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 7 ways as a sum of consecutive naturals, for example, 24196149 + ... + 24196588.

It is an arithmetic number, because the mean of its divisors is an integer number (1016247498).

Almost surely, 210646402140 is an apocalyptic number.

10646402140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10646402140 is an abundant number, since it is smaller than the sum of its proper divisors (13743537812).

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

10646402140 is a wasteful number, since it uses less digits than its factorization.

10646402140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48392757 (or 48392755 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 10646402140 its reverse (4120464601), we get a palindrome (14766866741).

The spelling of 10646402140 in words is "ten billion, six hundred forty-six million, four hundred two thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 48392737 96785474 193570948 241963685 483927370 532320107 967854740 1064640214 2129280428 2661600535 5323201070 10646402140