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9090911030 = 251994568297
BaseRepresentation
bin10000111011101110…
…00100101100110110
3212110120011010111112
420131313010230312
5122104233123110
64102025435022
7441165316535
oct103567045466
925416133445
109090911030
113945645013
12191863ba72
13b1b560ac6
1462351c31c
15383188405
hex21ddc4b36

9090911030 has 16 divisors (see below), whose sum is σ = 16445872800. Its totient is φ = 3618090432.

The previous prime is 9090911029. The next prime is 9090911051. The reversal of 9090911030 is 301190909.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2282159 + ... + 2286138.

It is an arithmetic number, because the mean of its divisors is an integer number (1027867050).

Almost surely, 29090911030 is an apocalyptic number.

9090911030 is a deficient number, since it is larger than the sum of its proper divisors (7354961770).

9090911030 is a wasteful number, since it uses less digits than its factorization.

9090911030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4568503.

The product of its (nonzero) digits is 2187, while the sum is 32.

The square root of 9090911030 is about 95346.2690932372. The cubic root of 9090911030 is about 2087.0641708135.

The spelling of 9090911030 in words is "nine billion, ninety million, nine hundred eleven thousand, thirty".

Divisors: 1 2 5 10 199 398 995 1990 4568297 9136594 22841485 45682970 909091103 1818182206 4545455515 9090911030