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10311012240140 = 2251992590706593
BaseRepresentation
bin1001011000001011100000…
…1110001100101100001100
31100111201112011122001010102
42112002320032030230030
52322413423113141030
633532451424430232
72112642331642223
oct226027016145414
940451464561112
1010311012240140
11331596a669327
1211a6415178378
1359a42a5a8b51
142790aca09cba
1512d32e2acc45
hex960b838cb0c

10311012240140 has 24 divisors (see below), whose sum is σ = 21761935389600. Its totient is φ = 4103679241728.

The previous prime is 10311012240127. The next prime is 10311012240143. The reversal of 10311012240140 is 4104221011301.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (10311012240143) 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, 1295349317 + ... + 1295357276.

It is an arithmetic number, because the mean of its divisors is an integer number (906747307900).

Almost surely, 210311012240140 is an apocalyptic number.

10311012240140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10311012240140 is an abundant number, since it is smaller than the sum of its proper divisors (11450923149460).

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

10311012240140 is a wasteful number, since it uses less digits than its factorization.

10311012240140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2590706801 (or 2590706799 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 10311012240140 its reverse (4104221011301), we get a palindrome (14415233251441).

The spelling of 10311012240140 in words is "ten trillion, three hundred eleven billion, twelve million, two hundred forty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 199 398 796 995 1990 3980 2590706593 5181413186 10362826372 12953532965 25907065930 51814131860 515550612007 1031101224014 2062202448028 2577753060035 5155506120070 10311012240140