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13000620377 = 13993529643
BaseRepresentation
bin11000001101110010…
…11011100101011001
31020120000221221110102
430012321123211121
5203111124323002
65550012225145
7640111310213
oct140671334531
936500857412
1013000620377
115571569568
122629a6b1b5
1312c255b1a4
148b488b5b3
15511525a02
hex306e5b959

13000620377 has 4 divisors (see below), whose sum is σ = 13094150160. Its totient is φ = 12907090596.

The previous prime is 13000620251. The next prime is 13000620389. The reversal of 13000620377 is 77302600031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13000620377 - 216 = 13000554841 is a prime.

It is a super-2 number, since 2×130006203772 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13000620397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46764683 + ... + 46764960.

It is an arithmetic number, because the mean of its divisors is an integer number (3273537540).

Almost surely, 213000620377 is an apocalyptic number.

It is an amenable number.

13000620377 is a deficient number, since it is larger than the sum of its proper divisors (93529783).

13000620377 is an equidigital number, since it uses as much as digits as its factorization.

13000620377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93529782.

The product of its (nonzero) digits is 5292, while the sum is 29.

The spelling of 13000620377 in words is "thirteen billion, six hundred twenty thousand, three hundred seventy-seven".

Divisors: 1 139 93529643 13000620377