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103056321551 = 674787321319
BaseRepresentation
bin101111111111010100…
…0101010110000001111
3100212000011122120020012
41133332220222300033
53142024404242201
6115202102343435
710305555164651
oct1377650526017
9325004576205
10103056321551
113a784674787
1217b8142ab7b
139944a83831
144db8d286d1
152a327065bb
hex17fea2ac0f

103056321551 has 8 divisors (see below), whose sum is σ = 104616650880. Its totient is φ = 101496644568.

The previous prime is 103056321547. The next prime is 103056321553. The reversal of 103056321551 is 155123650301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103056321551 - 22 = 103056321547 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103056321553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160070 + ... + 481388.

It is an arithmetic number, because the mean of its divisors is an integer number (13077081360).

Almost surely, 2103056321551 is an apocalyptic number.

103056321551 is a deficient number, since it is larger than the sum of its proper divisors (1560329329).

103056321551 is an equidigital number, since it uses as much as digits as its factorization.

103056321551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326173.

The product of its (nonzero) digits is 13500, while the sum is 32.

Adding to 103056321551 its reverse (155123650301), we get a palindrome (258179971852).

The spelling of 103056321551 in words is "one hundred three billion, fifty-six million, three hundred twenty-one thousand, five hundred fifty-one".

Divisors: 1 67 4787 320729 321319 21528373 1538154053 103056321551