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2100201101000 = 235318111603321
BaseRepresentation
bin11110100011111101101…
…111011001011011001000
321102202222121220011220222
4132203331233121123020
5233402202440213000
64244452530205212
7304506640544612
oct36437557313310
97382877804828
102100201101000
1173a765851062
1229b049123808
13123081925292
14739164dbdb2
153996ebdca85
hex1e8fdbd96c8

2100201101000 has 64 divisors (see below), whose sum is σ = 4941622773360. Its totient is φ = 835439040000.

The previous prime is 2100201100997. The next prime is 2100201101041. The reversal of 2100201101000 is 1011020012.

It can be written as a sum of positive squares in 8 ways, for example, as 12297479236 + 2087903621764 = 110894^2 + 1444958^2 .

It is a super-2 number, since 2×21002011010002 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5620661 + ... + 5982660.

Almost surely, 22100201101000 is an apocalyptic number.

2100201101000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100201101000 is an abundant number, since it is smaller than the sum of its proper divisors (2841421672360).

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

2100201101000 is a wasteful number, since it uses less digits than its factorization.

2100201101000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11603523 (or 11603509 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 2100201101000 its reverse (1011020012), we get a palindrome (2101212121012).

The spelling of 2100201101000 in words is "two trillion, one hundred billion, two hundred one million, one hundred one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 181 200 250 362 500 724 905 1000 1448 1810 3620 4525 7240 9050 18100 22625 36200 45250 90500 181000 11603321 23206642 46413284 58016605 92826568 116033210 232066420 290083025 464132840 580166050 1160332100 1450415125 2100201101 2320664200 2900830250 4200402202 5801660500 8400804404 10501005505 11603321000 16801608808 21002011010 42004022020 52505027525 84008044040 105010055050 210020110100 262525137625 420040220200 525050275250 1050100550500 2100201101000