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10101000200 = 235251019901
BaseRepresentation
bin10010110100001000…
…10000100000001000
3222001221210222100112
421122010100200020
5131141324001300
64350151253452
7505212041114
oct113204204010
928057728315
1010101000200
114313829a55
121b5a97a288
13c4c8c12c5
146bb734744
153e1bade35
hex25a110808

10101000200 has 48 divisors (see below), whose sum is σ = 23491801860. Its totient is φ = 4039200000.

The previous prime is 10101000149. The next prime is 10101000241. The reversal of 10101000200 is 200010101.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2784250756 + 7316749444 = 52766^2 + 85538^2 .

It is a Harshad number since it is a multiple of its sum of digits (5).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1015250 + ... + 1025150.

Almost surely, 210101000200 is an apocalyptic number.

10101000200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10101000200 is an abundant number, since it is smaller than the sum of its proper divisors (13390801660).

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

10101000200 is a wasteful number, since it uses less digits than its factorization.

10101000200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15018 (or 15009 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 5.

Adding to 10101000200 its reverse (200010101), we get a palindrome (10301010301).

Subtracting from 10101000200 its reverse (200010101), we obtain a palindrome (9900990099).

The spelling of 10101000200 in words is "ten billion, one hundred one million, two hundred", and thus it is an aban number.

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 5101 9901 10202 19802 20404 25505 39604 40808 49505 51010 79208 99010 102020 127525 198020 204040 247525 255050 396040 495050 510100 990100 1020200 1980200 50505001 101010002 202020004 252525005 404040008 505050010 1010100020 1262625025 2020200040 2525250050 5050500100 10101000200