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1004142454540 = 225197254858491
BaseRepresentation
bin11101001110010111000…
…11011110011100001100
310112222212102011220211021
432213023203132130030
5112422440432021130
62045144025403524
7132355405014661
oct16471343363414
93488772156737
101004142454540
11357944268345
121427393395a4
13738c8576884
143685a67da68
151b1c027a37a
hexe9cb8de70c

1004142454540 has 24 divisors (see below), whose sum is σ = 2119403219472. Its totient is φ = 399618112320.

The previous prime is 1004142454529. The next prime is 1004142454541. The reversal of 1004142454540 is 454542414001.

It is a super-2 number, since 2×10041424545402 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1004142454496 and 1004142454505.

It is not an unprimeable number, because it can be changed into a prime (1004142454541) 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, 127425306 + ... + 127433185.

It is an arithmetic number, because the mean of its divisors is an integer number (88308467478).

Almost surely, 21004142454540 is an apocalyptic number.

1004142454540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1004142454540 is an abundant number, since it is smaller than the sum of its proper divisors (1115260764932).

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

1004142454540 is a wasteful number, since it uses less digits than its factorization.

1004142454540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254858697 (or 254858695 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 34.

Adding to 1004142454540 its reverse (454542414001), we get a palindrome (1458684868541).

The spelling of 1004142454540 in words is "one trillion, four billion, one hundred forty-two million, four hundred fifty-four thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 197 394 788 985 1970 3940 254858491 509716982 1019433964 1274292455 2548584910 5097169820 50207122727 100414245454 200828490908 251035613635 502071227270 1004142454540