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431042133040 = 2455388026663
BaseRepresentation
bin1100100010111000001…
…11001111110000110000
31112012121001211010010221
412101130013033300300
524030233241224130
6530003520502424
743066424451421
oct6213407176060
91465531733127
10431042133040
11156893057402
126b65717aa14
13318548a2cbc
1416c10ba5648
15b32bc7787a
hex645c1cfc30

431042133040 has 20 divisors (see below), whose sum is σ = 1002172959504. Its totient is φ = 172416853184.

The previous prime is 431042133031. The next prime is 431042133059. The reversal of 431042133040 is 40331240134.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 431042132996 and 431042133014.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2694013252 + ... + 2694013411.

Almost surely, 2431042133040 is an apocalyptic number.

431042133040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

431042133040 is an abundant number, since it is smaller than the sum of its proper divisors (571130826464).

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

431042133040 is a wasteful number, since it uses less digits than its factorization.

431042133040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5388026676 (or 5388026670 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 431042133040 its reverse (40331240134), we get a palindrome (471373373174).

The spelling of 431042133040 in words is "four hundred thirty-one billion, forty-two million, one hundred thirty-three thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 5388026663 10776053326 21552106652 26940133315 43104213304 53880266630 86208426608 107760533260 215521066520 431042133040