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51451040130 = 23571065123003
BaseRepresentation
bin101111111010101110…
…001001000110000010
311220210201012122110220
4233322232021012002
51320332431241010
635345234203510
73501001424310
oct577256110602
9156721178426
1051451040130
111a902852a76
129b7aa23596
134b0c57c159
1426c132b0b0
151511e6c970
hexbfab89182

51451040130 has 64 divisors (see below), whose sum is σ = 141142238208. Its totient is φ = 11758622400.

The previous prime is 51451040129. The next prime is 51451040143. The reversal of 51451040130 is 3104015415.

It is a happy number.

51451040130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 51451040130.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2225209 + ... + 2248211.

It is an arithmetic number, because the mean of its divisors is an integer number (2205347472).

Almost surely, 251451040130 is an apocalyptic number.

51451040130 is an abundant number, since it is smaller than the sum of its proper divisors (89691198078).

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

51451040130 is a wasteful number, since it uses less digits than its factorization.

51451040130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33671.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 51451040130 its reverse (3104015415), we get a palindrome (54555055545).

The spelling of 51451040130 in words is "fifty-one billion, four hundred fifty-one million, forty thousand, one hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 10651 21302 23003 31953 46006 53255 63906 69009 74557 106510 115015 138018 149114 159765 161021 223671 230030 319530 322042 345045 372785 447342 483063 690090 745570 805105 966126 1118355 1610210 2236710 2415315 4830630 245004953 490009906 735014859 1225024765 1470029718 1715034671 2450049530 3430069342 3675074295 5145104013 7350148590 8575173355 10290208026 17150346710 25725520065 51451040130