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13820576407 = 111277983881
BaseRepresentation
bin11001101111100010…
…10100001010010111
31022200011212000200021
430313301110022113
5211301031421112
610203222530011
7666325650451
oct146761241227
938604760607
1013820576407
11595239a680
122818596907
1313c33aa481
1495172d2d1
1555d4e0907
hex337c54297

13820576407 has 8 divisors (see below), whose sum is σ = 15088814352. Its totient is φ = 12554308800.

The previous prime is 13820576387. The next prime is 13820576423. The reversal of 13820576407 is 70467502831.

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

It is not a de Polignac number, because 13820576407 - 223 = 13812187799 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 (13820576437) 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, 477894 + ... + 505987.

It is an arithmetic number, because the mean of its divisors is an integer number (1886101794).

Almost surely, 213820576407 is an apocalyptic number.

13820576407 is a deficient number, since it is larger than the sum of its proper divisors (1268237945).

13820576407 is a wasteful number, since it uses less digits than its factorization.

13820576407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985169.

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 13820576407 in words is "thirteen billion, eight hundred twenty million, five hundred seventy-six thousand, four hundred seven".

Divisors: 1 11 1277 14047 983881 10822691 1256416037 13820576407