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51444103130 = 2571847397897
BaseRepresentation
bin101111111010010011…
…101011011111011010
311220210020011012200222
4233322103223133122
51320324142300010
635344425400042
73500555442650
oct577223533732
9156706135628
1051444103130
111a8a9945112
129b78639022
134b0acc0814
1426c0442dd0
15151154c355
hexbfa4eb7da

51444103130 has 32 divisors (see below), whose sum is σ = 105885432576. Its totient is φ = 17628384384.

The previous prime is 51444103103. The next prime is 51444103147. The reversal of 51444103130 is 3130144415.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 51444103130.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69659 + ... + 328238.

It is an arithmetic number, because the mean of its divisors is an integer number (3308919768).

Almost surely, 251444103130 is an apocalyptic number.

51444103130 is an abundant number, since it is smaller than the sum of its proper divisors (54441329446).

51444103130 is a wasteful number, since it uses less digits than its factorization.

51444103130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399758.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 51444103130 its reverse (3130144415), we get a palindrome (54574247545).

The spelling of 51444103130 in words is "fifty-one billion, four hundred forty-four million, one hundred three thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 1847 3694 9235 12929 18470 25858 64645 129290 397897 795794 1989485 2785279 3978970 5570558 13926395 27852790 734915759 1469831518 3674578795 5144410313 7349157590 10288820626 25722051565 51444103130