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103412042551 = 699714779483
BaseRepresentation
bin110000001001111010…
…1101000101100110111
3100212220222000001201001
41200103311220230313
53143241440330201
6115301250544131
710320434600266
oct1402365505467
9325828001631
10103412042551
113a947447184
1218060598047
1399a0690a2c
1450102845dd
152a53a70301
hex1813d68b37

103412042551 has 4 divisors (see below), whose sum is σ = 103426829032. Its totient is φ = 103397256072.

The previous prime is 103412042543. The next prime is 103412042621. The reversal of 103412042551 is 155240214301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 155240214301 = 473302983283.

It is a cyclic number.

It is not a de Polignac number, because 103412042551 - 23 = 103412042543 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 (103412042051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7382745 + ... + 7396738.

It is an arithmetic number, because the mean of its divisors is an integer number (25856707258).

Almost surely, 2103412042551 is an apocalyptic number.

103412042551 is a deficient number, since it is larger than the sum of its proper divisors (14786481).

103412042551 is an equidigital number, since it uses as much as digits as its factorization.

103412042551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14786480.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 103412042551 its reverse (155240214301), we get a palindrome (258652256852).

The spelling of 103412042551 in words is "one hundred three billion, four hundred twelve million, forty-two thousand, five hundred fifty-one".

Divisors: 1 6997 14779483 103412042551