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2000012112100 = 2252172940568197
BaseRepresentation
bin11101000110101010000…
…000101111000011100100
321002012101021122012122101
4131012222000233003210
5230232011100041400
64130443132341444
7264332110312222
oct35065200570344
97065337565571
102000012112100
11701222773892
12283748014884
131167a5c153b2
146cb30323b12
15370590c156a
hex1d1aa02f0e4

2000012112100 has 72 divisors (see below), whose sum is σ = 4753781441640. Its totient is φ = 726982072320.

The previous prime is 2000012112053. The next prime is 2000012112101. The reversal of 2000012112100 is 12112100002.

It can be written as a sum of positive squares in 12 ways, for example, as 767081692224 + 1232930419876 = 875832^2 + 1110374^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (2000012112101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20234799 + ... + 20333398.

It is an arithmetic number, because the mean of its divisors is an integer number (66024742245).

Almost surely, 22000012112100 is an apocalyptic number.

2000012112100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000012112100 is an abundant number, since it is smaller than the sum of its proper divisors (2753769329540).

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

2000012112100 is a wasteful number, since it uses less digits than its factorization.

2000012112100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40568257 (or 40568250 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2000012112100 its reverse (12112100002), we get a palindrome (2012124212102).

It can be divided in two parts, 2000012 and 112100, that added together give a palindrome (2112112).

The spelling of 2000012112100 in words is "two trillion, twelve million, one hundred twelve thousand, one hundred".

Divisors: 1 2 4 5 10 17 20 25 29 34 50 58 68 85 100 116 145 170 290 340 425 493 580 725 850 986 1450 1700 1972 2465 2900 4930 9860 12325 24650 49300 40568197 81136394 162272788 202840985 405681970 689659349 811363940 1014204925 1176477713 1379318698 2028409850 2352955426 2758637396 3448296745 4056819700 4705910852 5882388565 6896593490 11764777130 13793186980 17241483725 20000121121 23529554260 29411942825 34482967450 40000242242 58823885650 68965934900 80000484484 100000605605 117647771300 200001211210 400002422420 500003028025 1000006056050 2000012112100