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23665541242 = 2710691581287
BaseRepresentation
bin10110000010100100…
…111000000001111010
32021002021220001112111
4112002210320001322
5341431334304432
614512150402534
71465311532030
oct260244700172
967067801474
1023665541242
11a044643452
12470566044a
132301c24c55
141207056550
15937977347
hex58293807a

23665541242 has 16 divisors (see below), whose sum is σ = 40607475840. Its totient is φ = 10132880688.

The previous prime is 23665541209. The next prime is 23665541279. The reversal of 23665541242 is 24214556632.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23665541195 and 23665541204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 775678 + ... + 805609.

It is an arithmetic number, because the mean of its divisors is an integer number (2537967240).

Almost surely, 223665541242 is an apocalyptic number.

23665541242 is a deficient number, since it is larger than the sum of its proper divisors (16941934598).

23665541242 is a wasteful number, since it uses less digits than its factorization.

23665541242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582365.

The product of its digits is 345600, while the sum is 40.

The spelling of 23665541242 in words is "twenty-three billion, six hundred sixty-five million, five hundred forty-one thousand, two hundred forty-two".

Divisors: 1 2 7 14 1069 2138 7483 14966 1581287 3162574 11069009 22138018 1690395803 3380791606 11832770621 23665541242