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242672855741 = 1489238168449
BaseRepresentation
bin1110001000000001101…
…1011110101010111101
3212012101021210100202222
43202000123132222331
512433443222340431
6303252105255125
723350442145101
oct3420033365275
9765337710688
10242672855741
1193a0a556328
123b0467944a5
1319b65072c84
14ba61657901
1564a492d57b
hex38806deabd

242672855741 has 8 divisors (see below), whose sum is σ = 242941371000. Its totient is φ = 242404485120.

The previous prime is 242672855723. The next prime is 242672855743. The reversal of 242672855741 is 147558276242.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 37324308025 + 205348547716 = 193195^2 + 453154^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-242672855741 is a prime.

It is a super-2 number, since 2×2426728557412 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242672855743) 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, 3511085 + ... + 3579533.

It is an arithmetic number, because the mean of its divisors is an integer number (30367671375).

Almost surely, 2242672855741 is an apocalyptic number.

It is an amenable number.

242672855741 is a deficient number, since it is larger than the sum of its proper divisors (268515259).

242672855741 is a wasteful number, since it uses less digits than its factorization.

242672855741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72319.

The product of its digits is 7526400, while the sum is 53.

The spelling of 242672855741 in words is "two hundred forty-two billion, six hundred seventy-two million, eight hundred fifty-five thousand, seven hundred forty-one".

Divisors: 1 1489 2381 68449 3545309 101920561 162977069 242672855741