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51441340530 = 2359803174917
BaseRepresentation
bin101111111010001001…
…001001000001110010
311220210000221212010110
4233322021021001302
51320322440344110
635344250242150
73500523115506
oct577211110162
9156700855113
1051441340530
111a8a8328578
129b77726356
134b0a564248
1426bdd24306
1515111a3a20
hexbfa249072

51441340530 has 32 divisors (see below), whose sum is σ = 123472517184. Its totient is φ = 13716213056.

The previous prime is 51441340501. The next prime is 51441340567. The reversal of 51441340530 is 3504314415.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206632 + ... + 381548.

It is an arithmetic number, because the mean of its divisors is an integer number (3858516162).

Almost surely, 251441340530 is an apocalyptic number.

51441340530 is an abundant number, since it is smaller than the sum of its proper divisors (72031176654).

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

51441340530 is a wasteful number, since it uses less digits than its factorization.

51441340530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184730.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 51441340530 its reverse (3504314415), we get a palindrome (54945654945).

The spelling of 51441340530 in words is "fifty-one billion, four hundred forty-one million, three hundred forty thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 9803 19606 29409 49015 58818 98030 147045 174917 294090 349834 524751 874585 1049502 1749170 2623755 5247510 1714711351 3429422702 5144134053 8573556755 10288268106 17147113510 25720670265 51441340530