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1030112111200 = 25528627149257
BaseRepresentation
bin11101111110101110111…
…01110110101001100000
310122110220021200011111211
432333113131312221200
5113334132200024300
62105121005315504
7134265065321464
oct16772735665140
93573807604454
101030112111200
11367960482807
12147786565b94
13761a6954c13
1437c017164a4
151bbe01384ba
hexefd7776a60

1030112111200 has 72 divisors (see below), whose sum is σ = 2515069540872. Its totient is φ = 411994321920.

The previous prime is 1030112111183. The next prime is 1030112111209. The reversal of 1030112111200 is 21112110301.

It is a happy number.

It is a super-2 number, since 2×10301121112002 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030112111209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6826972 + ... + 6976228.

It is an arithmetic number, because the mean of its divisors is an integer number (34931521401).

Almost surely, 21030112111200 is an apocalyptic number.

1030112111200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030112111200 is an abundant number, since it is smaller than the sum of its proper divisors (1484957429672).

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

1030112111200 is a wasteful number, since it uses less digits than its factorization.

1030112111200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157904 (or 157891 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1030112111200 its reverse (21112110301), we get a palindrome (1051224221501).

The spelling of 1030112111200 in words is "one trillion, thirty billion, one hundred twelve million, one hundred eleven thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 8627 17254 34508 43135 69016 86270 138032 149257 172540 215675 276064 298514 345080 431350 597028 690160 746285 862700 1194056 1380320 1492570 1725400 2388112 2985140 3450800 3731425 4776224 5970280 6901600 7462850 11940560 14925700 23881120 29851400 59702800 119405600 1287640139 2575280278 5150560556 6438200695 10301121112 12876401390 20602242224 25752802780 32191003475 41204484448 51505605560 64382006950 103011211120 128764013900 206022422240 257528027800 515056055600 1030112111200