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13754875681 = 131411125541
BaseRepresentation
bin11001100111101101…
…01011111100100001
31022111121020002020001
430303312223330201
5211132222010211
610152514420001
7664600341241
oct146366537441
938447202201
1013754875681
1159192a5758
1227ba591601
1313b28b57c1
14946b09b21
15557863ac1
hex333dabf21

13754875681 has 8 divisors (see below), whose sum is σ = 13863788928. Its totient is φ = 13646022000.

The previous prime is 13754875657. The next prime is 13754875691. The reversal of 13754875681 is 18657845731.

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 13754875681 - 25 = 13754875649 is a prime.

It is a super-2 number, since 2×137548756812 (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 (13754875601) 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, 525771 + ... + 551311.

It is an arithmetic number, because the mean of its divisors is an integer number (1732973616).

Almost surely, 213754875681 is an apocalyptic number.

It is an amenable number.

13754875681 is a deficient number, since it is larger than the sum of its proper divisors (108913247).

13754875681 is a wasteful number, since it uses less digits than its factorization.

13754875681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29783.

The product of its digits is 5644800, while the sum is 55.

The spelling of 13754875681 in words is "thirteen billion, seven hundred fifty-four million, eight hundred seventy-five thousand, six hundred eighty-one".

Divisors: 1 131 4111 25541 538541 3345871 104999051 13754875681