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4613146640969 = 21687721270797
BaseRepresentation
bin100001100100001010011…
…1101111000001001001001
3121100000100010021022110212
41003020110331320021021
51101040211020002334
613451130022250505
7654201034315346
oct103102475701111
917300303238425
104613146640969
1115194740180a9
12626085586a35
1327603031b929
1411d3c56017cd
157eeea093ece
hex43214f78249

4613146640969 has 4 divisors (see below), whose sum is σ = 4613168128644. Its totient is φ = 4613125153296.

The previous prime is 4613146640933. The next prime is 4613146640981. The reversal of 4613146640969 is 9690466413164.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3062902513225 + 1550244127744 = 1750115^2 + 1245088^2 .

It is a cyclic number.

It is not a de Polignac number, because 4613146640969 - 224 = 4613129863753 is a prime.

It is a super-2 number, since 2×46131466409692 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4613146640369) 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, 10418522 + ... + 10852275.

It is an arithmetic number, because the mean of its divisors is an integer number (1153292032161).

Almost surely, 24613146640969 is an apocalyptic number.

It is an amenable number.

4613146640969 is a deficient number, since it is larger than the sum of its proper divisors (21487675).

4613146640969 is a wasteful number, since it uses less digits than its factorization.

4613146640969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21487674.

The product of its (nonzero) digits is 20155392, while the sum is 59.

The spelling of 4613146640969 in words is "four trillion, six hundred thirteen billion, one hundred forty-six million, six hundred forty thousand, nine hundred sixty-nine".

Divisors: 1 216877 21270797 4613146640969