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10311110140 = 225836961603
BaseRepresentation
bin10011001101001011…
…10000110111111100
3222121121011200000011
421212211300313330
5132104121011030
64423054513004
7513342663412
oct114645606774
928547150004
1010311110140
114411397731
121bb9205764
13c842a8206
146db5c92b2
15405363b2a
hex266970dfc

10311110140 has 24 divisors (see below), whose sum is σ = 21656270160. Its totient is φ = 4123884288.

The previous prime is 10311110111. The next prime is 10311110141. The reversal of 10311110140 is 4101111301.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 10311110140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10311110141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136579 + ... + 198181.

It is an arithmetic number, because the mean of its divisors is an integer number (902344590).

Almost surely, 210311110140 is an apocalyptic number.

10311110140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10311110140 is an abundant number, since it is smaller than the sum of its proper divisors (11345160020).

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

10311110140 is a wasteful number, since it uses less digits than its factorization.

10311110140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69981 (or 69979 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 10311110140 its reverse (4101111301), we get a palindrome (14412221441).

The spelling of 10311110140 in words is "ten billion, three hundred eleven million, one hundred ten thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 8369 16738 33476 41845 61603 83690 123206 167380 246412 308015 616030 1232060 515555507 1031111014 2062222028 2577777535 5155555070 10311110140