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238215008265 = 35131724227043
BaseRepresentation
bin1101110111011010111…
…0001001000000001001
3211202212121120020122220
43131312232021000021
512400331020231030
6301233502204253
723132122106163
oct3356656110011
9752777506586
10238215008265
1192032186563
123a201883689
13196046379c0
14b75b5a1933
1562e33b9a10
hex3776b89009

238215008265 has 48 divisors (see below), whose sum is σ = 436028042688. Its totient is φ = 110376520704.

The previous prime is 238215008237. The next prime is 238215008287. The reversal of 238215008265 is 562800512832.

It is a happy number.

It is not a de Polignac number, because 238215008265 - 26 = 238215008201 is a prime.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2057167 + ... + 2169876.

It is an arithmetic number, because the mean of its divisors is an integer number (9083917556).

Almost surely, 2238215008265 is an apocalyptic number.

It is an amenable number.

238215008265 is a deficient number, since it is larger than the sum of its proper divisors (197813034423).

238215008265 is a wasteful number, since it uses less digits than its factorization.

238215008265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4227098 (or 4227081 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 238215008265 in words is "two hundred thirty-eight billion, two hundred fifteen million, eight thousand, two hundred sixty-five".

Divisors: 1 3 5 13 15 17 39 51 65 85 195 221 255 289 663 867 1105 1445 3315 3757 4335 11271 18785 56355 4227043 12681129 21135215 54951559 63405645 71859731 164854677 215579193 274757795 359298655 824273385 934176503 1077895965 1221615427 2802529509 3664846281 4670882515 6108077135 14012647545 15881000551 18324231405 47643001653 79405002755 238215008265