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243155055525 = 3523242067407
BaseRepresentation
bin1110001001110100101…
…0111011001110100101
3212020121220010122112020
43202131022323032211
512440440143234100
6303412012413353
723365415604264
oct3423512731645
9766556118466
10243155055525
1194137765148
123b160177259
1319c10c34ca5
14baa96d85db
1564d1e2c5a0
hex389d2bb3a5

243155055525 has 12 divisors (see below), whose sum is σ = 402016358592. Its totient is φ = 129682696240.

The previous prime is 243155055487. The next prime is 243155055529. The reversal of 243155055525 is 525550551342.

It is not a de Polignac number, because 243155055525 - 212 = 243155051429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243155055529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1621033629 + ... + 1621033778.

It is an arithmetic number, because the mean of its divisors is an integer number (33501363216).

Almost surely, 2243155055525 is an apocalyptic number.

243155055525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

243155055525 is a deficient number, since it is larger than the sum of its proper divisors (158861303067).

243155055525 is a wasteful number, since it uses less digits than its factorization.

243155055525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3242067420 (or 3242067415 counting only the distinct ones).

The product of its (nonzero) digits is 750000, while the sum is 42.

The spelling of 243155055525 in words is "two hundred forty-three billion, one hundred fifty-five million, fifty-five thousand, five hundred twenty-five".

Divisors: 1 3 5 15 25 75 3242067407 9726202221 16210337035 48631011105 81051685175 243155055525