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223700070312 = 233229130182349
BaseRepresentation
bin1101000001010110010…
…0000010111110101000
3210101102001011000000100
43100111210002332220
512131114204222222
6250433312505400
722106332136625
oct3202544027650
9711361130010
10223700070312
1186963948874
123743084b260
1318130443714
14ab8196534c
155c43e6c4ac
hex3415902fa8

223700070312 has 96 divisors (see below), whose sum is σ = 627235245000. Its totient is φ = 71939212800.

The previous prime is 223700070263. The next prime is 223700070317. The reversal of 223700070312 is 213070007322.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 141621258276 + 82078812036 = 376326^2 + 286494^2 .

It is not an unprimeable number, because it can be changed into a prime (223700070317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2675314 + ... + 2757662.

Almost surely, 2223700070312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223700070312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313617622500).

223700070312 is an abundant number, since it is smaller than the sum of its proper divisors (403535174688).

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

223700070312 is a wasteful number, since it uses less digits than its factorization.

223700070312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83691 (or 83684 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

Adding to 223700070312 its reverse (213070007322), we get a palindrome (436770077634).

The spelling of 223700070312 in words is "two hundred twenty-three billion, seven hundred million, seventy thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 24 29 36 58 72 87 116 174 232 261 348 522 696 1044 1301 2088 2602 3903 5204 7806 10408 11709 15612 23418 31224 37729 46836 75458 82349 93672 113187 150916 164698 226374 247047 301832 329396 339561 452748 494094 658792 679122 741141 905496 988188 1358244 1482282 1976376 2388121 2716488 2964564 4776242 5929128 7164363 9552484 14328726 19104968 21493089 28657452 42986178 57314904 85972356 107136049 171944712 214272098 321408147 428544196 642816294 857088392 964224441 1285632588 1928448882 2571265176 3106945421 3856897764 6213890842 7713795528 9320836263 12427781684 18641672526 24855563368 27962508789 37283345052 55925017578 74566690104 111850035156 223700070312