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239881510252 = 2289673824467
BaseRepresentation
bin1101111101101000001…
…1010101110101101100
3211221011202101022121201
43133122003111311230
512412234131312002
6302111113135244
723221326123436
oct3373203256554
9757152338551
10239881510252
119280794a12a
123a5a79ba524
131980b986057
14b878a47656
15638e853087
hex37da0d5d6c

239881510252 has 12 divisors (see below), whose sum is σ = 424509414840. Its totient is φ = 118593106016.

The previous prime is 239881510229. The next prime is 239881510261. The reversal of 239881510252 is 252015188932.

It is a super-2 number, since 2×2398815102522 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336911878 + ... + 336912589.

It is an arithmetic number, because the mean of its divisors is an integer number (35375784570).

Almost surely, 2239881510252 is an apocalyptic number.

It is an amenable number.

239881510252 is a deficient number, since it is larger than the sum of its proper divisors (184627904588).

239881510252 is a wasteful number, since it uses less digits than its factorization.

239881510252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673824560 (or 673824558 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 46.

The spelling of 239881510252 in words is "two hundred thirty-nine billion, eight hundred eighty-one million, five hundred ten thousand, two hundred fifty-two".

Divisors: 1 2 4 89 178 356 673824467 1347648934 2695297868 59970377563 119940755126 239881510252