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13818904232 = 2371006124527
BaseRepresentation
bin11001101111010101…
…11011111010101000
31022200001201001212212
430313222323322220
5211300114413412
610203123024252
7666305514350
oct146752737250
938601631785
1013818904232
115951458311
122817b0b088
1313c2c43313
14951415b60
1555d2b0222
hex337abbea8

13818904232 has 32 divisors (see below), whose sum is σ = 29616088320. Its totient is φ = 5921557440.

The previous prime is 13818904219. The next prime is 13818904241. The reversal of 13818904232 is 23240981831.

It is a super-2 number, since 2×138189042322 (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 13818904232.

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, 551153 + ... + 575679.

It is an arithmetic number, because the mean of its divisors is an integer number (925502760).

Almost surely, 213818904232 is an apocalyptic number.

It is an amenable number.

13818904232 is an abundant number, since it is smaller than the sum of its proper divisors (15797184088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13818904232 is a wasteful number, since it uses less digits than its factorization.

13818904232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34601 (or 34597 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 13818904232 in words is "thirteen billion, eight hundred eighteen million, nine hundred four thousand, two hundred thirty-two".

Divisors: 1 2 4 7 8 14 28 56 10061 20122 24527 40244 49054 70427 80488 98108 140854 171689 196216 281708 343378 563416 686756 1373512 246766147 493532294 987064588 1727363029 1974129176 3454726058 6909452116 13818904232