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11497944830 = 2515120633691
BaseRepresentation
bin10101011010101010…
…01011011011111110
31002200022102010010112
422231111023123332
5142021433213310
65140532510022
7554633630021
oct125525133376
932608363115
1011497944830
114970321149
12228a77b312
131113140168
147b108d1b8
1547464d705
hex2ad54b6fe

11497944830 has 32 divisors (see below), whose sum is σ = 20849107968. Its totient is φ = 4565268000.

The previous prime is 11497944811. The next prime is 11497944833. The reversal of 11497944830 is 3844979411.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11497944833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3113285 + ... + 3116975.

It is an arithmetic number, because the mean of its divisors is an integer number (651534624).

Almost surely, 211497944830 is an apocalyptic number.

11497944830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11497944830 is a deficient number, since it is larger than the sum of its proper divisors (9351163138).

11497944830 is a wasteful number, since it uses less digits than its factorization.

11497944830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5912.

The product of its (nonzero) digits is 870912, while the sum is 50.

The spelling of 11497944830 in words is "eleven billion, four hundred ninety-seven million, nine hundred forty-four thousand, eight hundred thirty".

Divisors: 1 2 5 10 151 302 755 1510 2063 3691 4126 7382 10315 18455 20630 36910 311513 557341 623026 1114682 1557565 2786705 3115130 5573410 7614533 15229066 38072665 76145330 1149794483 2299588966 5748972415 11497944830