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503470501381 = 15127131228987
BaseRepresentation
bin1110101001110010010…
…11100010111000000101
31210010112201120110010201
413110321023202320011
531222101422021011
61023142520050501
751242316436231
oct7247113427005
91703481513121
10503470501381
1118457aa77561
12816ab303a31
13386281596a3
141a5221035c1
15d16a664cc1
hex75392e2e05

503470501381 has 8 divisors (see below), whose sum is σ = 506991961664. Its totient is φ = 499951504800.

The previous prime is 503470501367. The next prime is 503470501403. The reversal of 503470501381 is 183105074305.

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 503470501381 - 225 = 503436946949 is a prime.

It is a super-2 number, since 2×5034705013812 (a number of 24 digits) contains 22 as substring.

It is a pancake number, because a pancake can be divided into 503470501381 parts by 1003464 straight cuts.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 503470501381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503470501351) 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 7 ways as a sum of consecutive naturals, for example, 204831 + ... + 1024156.

It is an arithmetic number, because the mean of its divisors is an integer number (63373995208).

Almost surely, 2503470501381 is an apocalyptic number.

503470501381 is the 409663-rd octagonal number.

It is an amenable number.

503470501381 is a deficient number, since it is larger than the sum of its proper divisors (3521460283).

503470501381 is a wasteful number, since it uses less digits than its factorization.

503470501381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231851.

The product of its (nonzero) digits is 50400, while the sum is 37.

Adding to 503470501381 its reverse (183105074305), we get a palindrome (686575575686).

The spelling of 503470501381 in words is "five hundred three billion, four hundred seventy million, five hundred one thousand, three hundred eighty-one".

Divisors: 1 151 2713 409663 1228987 185577037 3334241731 503470501381