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23239477870 = 25717190110273
BaseRepresentation
bin10101101001001011…
…100100101001101110
32012222121011210110121
4111221023210221232
5340043301242440
614402010355154
71451616205540
oct255113445156
965877153417
1023239477870
119946096764
124606a2baba
13226488944b
1411a6629690
1591036634a
hex5692e4a6e

23239477870 has 64 divisors (see below), whose sum is σ = 50650655616. Its totient is φ = 7494451200.

The previous prime is 23239477843. The next prime is 23239477873. The reversal of 23239477870 is 7877493232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23239477873) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2257054 + ... + 2267326.

It is an arithmetic number, because the mean of its divisors is an integer number (791416494).

Almost surely, 223239477870 is an apocalyptic number.

23239477870 is an abundant number, since it is smaller than the sum of its proper divisors (27411177746).

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

23239477870 is a wasteful number, since it uses less digits than its factorization.

23239477870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12205.

The product of its (nonzero) digits is 3556224, while the sum is 52.

The spelling of 23239477870 in words is "twenty-three billion, two hundred thirty-nine million, four hundred seventy-seven thousand, eight hundred seventy".

Divisors: 1 2 5 7 10 14 17 34 35 70 85 119 170 238 595 1190 1901 3802 9505 10273 13307 19010 20546 26614 32317 51365 64634 66535 71911 102730 133070 143822 161585 174641 226219 323170 349282 359555 452438 719110 873205 1131095 1222487 1746410 2262190 2444974 6112435 12224870 19528973 39057946 97644865 136702811 195289730 273405622 331992541 663985082 683514055 1367028110 1659962705 2323947787 3319925410 4647895574 11619738935 23239477870