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1031245403144 = 231111718697763
BaseRepresentation
bin11110000000110110000…
…01000001010000001000
310122120211021011100210112
433000123001001100020
5113343442310400034
62105425251533452
7134335136203565
oct17003301012010
93576737140715
101031245403144
11368392166820
12147a41bba288
1376327691078
1437cac03d86c
151bc598987ce
hexf01b041408

1031245403144 has 16 divisors (see below), whose sum is σ = 2109365597520. Its totient is φ = 468747910480.

The previous prime is 1031245403143. The next prime is 1031245403189. The reversal of 1031245403144 is 4413045421301.

It is a self number, because there is not a number n which added to its sum of digits gives 1031245403144.

It is not an unprimeable number, because it can be changed into a prime (1031245403143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5859348794 + ... + 5859348969.

It is an arithmetic number, because the mean of its divisors is an integer number (131835349845).

Almost surely, 21031245403144 is an apocalyptic number.

It is an amenable number.

1031245403144 is an abundant number, since it is smaller than the sum of its proper divisors (1078120194376).

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

1031245403144 is a wasteful number, since it uses less digits than its factorization.

1031245403144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11718697780 (or 11718697776 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 1031245403144 in words is "one trillion, thirty-one billion, two hundred forty-five million, four hundred three thousand, one hundred forty-four".

Divisors: 1 2 4 8 11 22 44 88 11718697763 23437395526 46874791052 93749582104 128905675393 257811350786 515622701572 1031245403144