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1121120200 = 235210155501
BaseRepresentation
bin100001011010010…
…1110111111001000
32220010120210210101
41002310232333020
54244001321300
6303125255144
736532236004
oct10264567710
92803523711
101121120200
11525930222
122735644b4
1314b366c45
14a8c79704
1568658b6a
hex42d2efc8

1121120200 has 48 divisors (see below), whose sum is σ = 2632459860. Its totient is φ = 444000000.

The previous prime is 1121120171. The next prime is 1121120219. The reversal of 1121120200 is 20211211.

It can be written as a sum of positive squares in 6 ways, for example, as 900360036 + 220760164 = 30006^2 + 14858^2 .

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

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, 7551 + ... + 47950.

Almost surely, 21121120200 is an apocalyptic number.

1121120200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121120200 is an abundant number, since it is smaller than the sum of its proper divisors (1511339660).

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

1121120200 is a wasteful number, since it uses less digits than its factorization.

1121120200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55618 (or 55609 counting only the distinct ones).

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

The square root of 1121120200 is about 33483.1330672624. The cubic root of 1121120200 is about 1038.8449330932.

Adding to 1121120200 its reverse (20211211), we get a palindrome (1141331411).

The spelling of 1121120200 in words is "one billion, one hundred twenty-one million, one hundred twenty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 101 200 202 404 505 808 1010 2020 2525 4040 5050 10100 20200 55501 111002 222004 277505 444008 555010 1110020 1387525 2220040 2775050 5550100 5605601 11100200 11211202 22422404 28028005 44844808 56056010 112112020 140140025 224224040 280280050 560560100 1121120200