Search a number
-
+
9910990100 = 2252119009991
BaseRepresentation
bin10010011101011110…
…11011010100010100
3221120201021110111102
421032233123110110
5130244203140400
64315242525232
7500414011604
oct111657332424
927521243442
109910990100
11422654a610
121b07206818
13c1c4240ab
146a03d2c04
153d01799d5
hex24ebdb514

9910990100 has 36 divisors (see below), whose sum is σ = 23462019168. Its totient is φ = 3603996000.

The previous prime is 9910990013. The next prime is 9910990127. The reversal of 9910990100 is 10990199.

It is a happy number.

It is a congruent number.

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, 4503896 + ... + 4506095.

Almost surely, 29910990100 is an apocalyptic number.

It is an amenable number.

9910990100 is an abundant number, since it is smaller than the sum of its proper divisors (13551029068).

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

9910990100 is a wasteful number, since it uses less digits than its factorization.

9910990100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9010016 (or 9010009 counting only the distinct ones).

The product of its (nonzero) digits is 6561, while the sum is 38.

The square root of 9910990100 is about 99553.9557225126. The cubic root of 9910990100 is about 2148.0234295052.

The spelling of 9910990100 in words is "nine billion, nine hundred ten million, nine hundred ninety thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 1100 9009991 18019982 36039964 45049955 90099910 99109901 180199820 198219802 225249775 396439604 450499550 495549505 900999100 991099010 1982198020 2477747525 4955495050 9910990100