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225981804348 = 223229216457667
BaseRepresentation
bin1101001001110110010…
…0001010111100111100
3210121022001122002200100
43102131210022330330
512200302320214343
6251451542201100
722220016433506
oct3223544127474
9717261562610
10225981804348
1187924923383
1237968a23190
13184050917c1
14ad1a9dad76
155d294319d3
hex349d90af3c

225981804348 has 36 divisors (see below), whose sum is σ = 590929433640. Its totient is φ = 72729775776.

The previous prime is 225981804329. The next prime is 225981804383. The reversal of 225981804348 is 843408189522.

225981804348 is a `hidden beast` number, since 2 + 2 + 59 + 81 + 80 + 434 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 225981804294 and 225981804303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108227790 + ... + 108229877.

It is an arithmetic number, because the mean of its divisors is an integer number (16414706490).

Almost surely, 2225981804348 is an apocalyptic number.

It is an amenable number.

225981804348 is an abundant number, since it is smaller than the sum of its proper divisors (364947629292).

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

225981804348 is a wasteful number, since it uses less digits than its factorization.

225981804348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216457706 (or 216457701 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 54.

The spelling of 225981804348 in words is "two hundred twenty-five billion, nine hundred eighty-one million, eight hundred four thousand, three hundred forty-eight".

Divisors: 1 2 3 4 6 9 12 18 29 36 58 87 116 174 261 348 522 1044 216457667 432915334 649373001 865830668 1298746002 1948119003 2597492004 3896238006 6277272343 7792476012 12554544686 18831817029 25109089372 37663634058 56495451087 75327268116 112990902174 225981804348