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15939043244 = 2241930013169
BaseRepresentation
bin11101101100000101…
…00111111110101100
31112010211010021211222
432312002213332230
5230120343340434
611153341002512
71102661426555
oct166602477654
945124107758
1015939043244
11683a1a1113
123109b53438
131670262947
14ab2c2532c
156344a472e
hex3b60a7fac

15939043244 has 24 divisors (see below), whose sum is σ = 27978039600. Its totient is φ = 7945344000.

The previous prime is 15939043231. The next prime is 15939043271. The reversal of 15939043244 is 44234093951.

It is a junction number, because it is equal to n+sod(n) for n = 15939043195 and 15939043204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5028092 + ... + 5031260.

It is an arithmetic number, because the mean of its divisors is an integer number (1165751650).

Almost surely, 215939043244 is an apocalyptic number.

It is an amenable number.

15939043244 is a deficient number, since it is larger than the sum of its proper divisors (12038996356).

15939043244 is a wasteful number, since it uses less digits than its factorization.

15939043244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6593 (or 6591 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 15939043244 in words is "fifteen billion, nine hundred thirty-nine million, forty-three thousand, two hundred forty-four".

Divisors: 1 2 4 419 838 1676 3001 3169 6002 6338 12004 12676 1257419 1327811 2514838 2655622 5029676 5311244 9510169 19020338 38040676 3984760811 7969521622 15939043244