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228665597070 = 23517393438233
BaseRepresentation
bin1101010011110110001…
…0000001110010001110
3210212020002122220011210
43110331202001302032
512221301343101240
6253014133155250
722343355335211
oct3247542016216
9725202586153
10228665597070
1188a8184a599
123839778bb26
13187420c2231
14b0d3211778
155e34d64780
hex353d881c8e

228665597070 has 32 divisors (see below), whose sum is σ = 548830238112. Its totient is φ = 60973847552.

The previous prime is 228665597059. The next prime is 228665597117. The reversal of 228665597070 is 70795566822.

It is a super-3 number, since 3×2286655970703 (a number of 35 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 228665597070.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302674 + ... + 740906.

It is an arithmetic number, because the mean of its divisors is an integer number (17150944941).

Almost surely, 2228665597070 is an apocalyptic number.

228665597070 is an abundant number, since it is smaller than the sum of its proper divisors (320164641042).

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

228665597070 is a wasteful number, since it uses less digits than its factorization.

228665597070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455636.

The product of its (nonzero) digits is 12700800, while the sum is 57.

The spelling of 228665597070 in words is "two hundred twenty-eight billion, six hundred sixty-five million, five hundred ninety-seven thousand, seventy".

Divisors: 1 2 3 5 6 10 15 30 17393 34786 52179 86965 104358 173930 260895 438233 521790 876466 1314699 2191165 2629398 4382330 6573495 13146990 7622186569 15244373138 22866559707 38110932845 45733119414 76221865690 114332798535 228665597070