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112031030020 = 22571370187811
BaseRepresentation
bin110100001010110010…
…0011101101100000100
3101201011122010222210011
41220111210131230010
53313414420430040
6123244421440004
711044143020530
oct1502544355404
9351148128704
10112031030020
114356a661018
1219866b70004
13a74521a010
1455cac38bc0
152daa5893ea
hex1a1591db04

112031030020 has 96 divisors (see below), whose sum is σ = 289973488896. Its totient is φ = 35404992000.

The previous prime is 112031030011. The next prime is 112031030053. The reversal of 112031030020 is 20030130211.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1231915 + ... + 1319725.

It is an arithmetic number, because the mean of its divisors is an integer number (3020557176).

Almost surely, 2112031030020 is an apocalyptic number.

112031030020 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 112031030020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144986744448).

112031030020 is an abundant number, since it is smaller than the sum of its proper divisors (177942458876).

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

112031030020 is a wasteful number, since it uses less digits than its factorization.

112031030020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88541 (or 88539 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 112031030020 its reverse (20030130211), we get a palindrome (132061160231).

The spelling of 112031030020 in words is "one hundred twelve billion, thirty-one million, thirty thousand, twenty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 182 260 364 455 701 910 1402 1820 2804 3505 4907 7010 9113 9814 14020 18226 19628 24535 36452 45565 49070 63791 87811 91130 98140 127582 175622 182260 255164 318955 351244 439055 614677 637910 878110 1141543 1229354 1275820 1756220 2283086 2458708 3073385 4566172 5707715 6146770 7990801 11415430 12293540 15981602 22830860 31963204 39954005 61555511 79908010 123111022 159816020 246222044 307777555 430888577 615555110 800221643 861777154 1231110220 1600443286 1723554308 2154442885 3200886572 4001108215 4308885770 5601551501 8002216430 8617771540 11203103002 16004432860 22406206004 28007757505 56015515010 112031030020