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11420550100 = 2252114205501
BaseRepresentation
bin10101010001011011…
…11100001111010100
31002110220210001112001
422220231330033110
5141342130100400
65125130005044
7553004034301
oct125055741724
932426701461
1011420550100
11493066a363
122268876784
1311000b286b
147a4aa40a8
1546c961a6a
hex2a8b7c3d4

11420550100 has 18 divisors (see below), whose sum is σ = 24782593934. Its totient is φ = 4568220000.

The previous prime is 11420550073. The next prime is 11420550103. The reversal of 11420550100 is 105502411.

It can be written as a sum of positive squares in 3 ways, for example, as 2461548996 + 8959001104 = 49614^2 + 94652^2 .

It is a super-2 number, since 2×114205501002 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11420550103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57102651 + ... + 57102850.

Almost surely, 211420550100 is an apocalyptic number.

11420550100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11420550100 is an abundant number, since it is smaller than the sum of its proper divisors (13362043834).

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

11420550100 is a wasteful number, since it uses less digits than its factorization.

11420550100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114205515 (or 114205508 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The spelling of 11420550100 in words is "eleven billion, four hundred twenty million, five hundred fifty thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 114205501 228411002 456822004 571027505 1142055010 2284110020 2855137525 5710275050 11420550100