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12100015050 = 2352151719743
BaseRepresentation
bin10110100010011011…
…11001001111001010
31011020021022110012120
423101031321033022
5144240100440200
65320401152110
7605564300544
oct132115711712
934207273176
1012100015050
11514a163442
12241832b636
1311aaab2126
1482b014694
154ac4299a0
hex2d13793ca

12100015050 has 96 divisors (see below), whose sum is σ = 30289489920. Its totient is φ = 3196536000.

The previous prime is 12100015033. The next prime is 12100015069. The reversal of 12100015050 is 5051000121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16284979 + ... + 16285721.

It is an arithmetic number, because the mean of its divisors is an integer number (315515520).

Almost surely, 212100015050 is an apocalyptic number.

12100015050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12100015050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15144744960).

12100015050 is an abundant number, since it is smaller than the sum of its proper divisors (18189474870).

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

12100015050 is a wasteful number, since it uses less digits than its factorization.

12100015050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628 (or 1623 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 15.

Adding to 12100015050 its reverse (5051000121), we get a palindrome (17151015171).

The spelling of 12100015050 in words is "twelve billion, one hundred million, fifteen thousand, fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 151 302 453 719 743 755 906 1438 1486 1510 2157 2229 2265 3595 3715 3775 4314 4458 4530 7190 7430 7550 10785 11145 11325 17975 18575 21570 22290 22650 35950 37150 53925 55725 107850 108569 111450 112193 217138 224386 325707 336579 534217 542845 560965 651414 673158 1068434 1085690 1121930 1602651 1628535 1682895 2671085 2714225 2804825 3205302 3257070 3365790 5342170 5428450 5609650 8013255 8142675 8414475 13355425 16026510 16285350 16828950 26710850 40066275 80132550 80666767 161333534 242000301 403333835 484000602 806667670 1210001505 2016669175 2420003010 4033338350 6050007525 12100015050