Search a number
-
+
10111012111200 = 253527111337113749
BaseRepresentation
bin1001001100100010011101…
…0010010000001101100000
31022210121021211002210202110
42103020213102100031200
52311124323100024300
633300533531515320
72062332206620260
oct223104722201540
938717254083673
1010111012111200
11324906881a270
1211736b95b8b40
135846062430a0
1426d5388d37a0
15128025d10550
hex93227490360

10111012111200 has 1152 divisors, whose sum is σ = 45383345280000. Its totient is φ = 1886942822400.

The previous prime is 10111012111199. The next prime is 10111012111231. The reversal of 10111012111200 is 211121011101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 88831926 + ... + 88945674.

It is an arithmetic number, because the mean of its divisors is an integer number (39395265000).

Almost surely, 210111012111200 is an apocalyptic number.

10111012111200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10111012111200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22691672640000).

10111012111200 is an abundant number, since it is smaller than the sum of its proper divisors (35272333168800).

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

10111012111200 is a wasteful number, since it uses less digits than its factorization.

10111012111200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113840 (or 113827 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 10111012111200 its reverse (211121011101), we get a palindrome (10322133122301).

The spelling of 10111012111200 in words is "ten trillion, one hundred eleven billion, twelve million, one hundred eleven thousand, two hundred".