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1031130441440 = 25511585869569
BaseRepresentation
bin11110000000101000010…
…10011110011011100000
310122120112020211200222122
433000110022132123200
5113343223343111230
62105410023523412
7134332242065351
oct17002412363340
93576466750878
101031130441440
11368333286350
12147a0b5b9568
137630990c4a8
1437c9aa75d28
151bc4e73abe5
hexf01429e6e0

1031130441440 has 48 divisors (see below), whose sum is σ = 2657504369520. Its totient is φ = 374956523520.

The previous prime is 1031130441421. The next prime is 1031130441449. The reversal of 1031130441440 is 441440311301.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031130441449) 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, 292933025 + ... + 292936544.

It is an arithmetic number, because the mean of its divisors is an integer number (55364674365).

Almost surely, 21031130441440 is an apocalyptic number.

1031130441440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031130441440 is an abundant number, since it is smaller than the sum of its proper divisors (1626373928080).

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

1031130441440 is a wasteful number, since it uses less digits than its factorization.

1031130441440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585869595 (or 585869587 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 1031130441440 its reverse (441440311301), we get a palindrome (1472570752741).

The spelling of 1031130441440 in words is "one trillion, thirty-one billion, one hundred thirty million, four hundred forty-one thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 80 88 110 160 176 220 352 440 880 1760 585869569 1171739138 2343478276 2929347845 4686956552 5858695690 6444565259 9373913104 11717391380 12889130518 18747826208 23434782760 25778261036 32222826295 46869565520 51556522072 64445652590 93739131040 103113044144 128891305180 206226088288 257782610360 515565220720 1031130441440