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1730311620020 = 225503253167957
BaseRepresentation
bin11001001011011110100…
…111000000010110110100
320010102020101120122220022
4121023132213000112310
5211322134233320040
63402521051024312
7236003510045414
oct31133647002664
96112211518808
101730311620020
11607903889325
1223b419a3b098
13c72245366c9
145da67312644
153002199e6b5
hex192de9c05b4

1730311620020 has 48 divisors (see below), whose sum is σ = 3642370478208. Its totient is φ = 690465578880.

The previous prime is 1730311620013. The next prime is 1730311620047. The reversal of 1730311620020 is 200261130371.

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, 25427882 + ... + 25495838.

It is an arithmetic number, because the mean of its divisors is an integer number (75882718296).

Almost surely, 21730311620020 is an apocalyptic number.

1730311620020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1730311620020 is an abundant number, since it is smaller than the sum of its proper divisors (1912058858188).

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

1730311620020 is a wasteful number, since it uses less digits than its factorization.

1730311620020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71000 (or 70998 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

Adding to 1730311620020 its reverse (200261130371), we get a palindrome (1930572750391).

The spelling of 1730311620020 in words is "one trillion, seven hundred thirty billion, three hundred eleven million, six hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 503 1006 2012 2515 2531 5030 5062 10060 10124 12655 25310 50620 67957 135914 271828 339785 679570 1273093 1359140 2546186 5092372 6365465 12730930 25461860 34182371 68364742 136729484 170911855 171999167 341823710 343998334 683647420 687996668 859995835 1719991670 3439983340 86515581001 173031162002 346062324004 432577905005 865155810010 1730311620020