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130503430614661 = 1328135725001537
BaseRepresentation
bin11101101011000100110010…
…100111111010111010000101
3122010002000011110112021121121
4131223010302213322322011
5114101132011214132121
61141320240503113541
736326363445264136
oct3553046247727205
9563060143467547
10130503430614661
1138645215401255
1212778532a428b1
1357a8561387760
142432584c7bc8d
151014a61480141
hex76b1329fae85

130503430614661 has 8 divisors (see below), whose sum is σ = 141042306072024. Its totient is φ = 120036005160960.

The previous prime is 130503430614647. The next prime is 130503430614671. The reversal of 130503430614661 is 166416034305031.

It can be written as a sum of positive squares in 4 ways, for example, as 262702377025 + 130240728237636 = 512545^2 + 11412306^2 .

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 130503430614661 - 25 = 130503430614629 is a prime.

It is a super-2 number, since 2×1305034306146612 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130503430614671) 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, 17862497116 + ... + 17862504421.

It is an arithmetic number, because the mean of its divisors is an integer number (17630288259003).

Almost surely, 2130503430614661 is an apocalyptic number.

It is an amenable number.

130503430614661 is a deficient number, since it is larger than the sum of its proper divisors (10538875457363).

130503430614661 is a wasteful number, since it uses less digits than its factorization.

130503430614661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35725001831.

The product of its (nonzero) digits is 466560, while the sum is 43.

Adding to 130503430614661 its reverse (166416034305031), we get a palindrome (296919464919692).

The spelling of 130503430614661 in words is "one hundred thirty trillion, five hundred three billion, four hundred thirty million, six hundred fourteen thousand, six hundred sixty-one".

Divisors: 1 13 281 3653 35725001537 464425019981 10038725431897 130503430614661