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187428816003 = 31113479295681
BaseRepresentation
bin1010111010001110100…
…0001100010010000011
3122220210020101101000010
42232203220030102003
511032323234103003
6222034214000003
716353442435542
oct2564350142203
9586706341003
10187428816003
1172540753640
12303a9646003
131489ca3ab70
14910069c159
154d1e9c9003
hex2ba3a0c483

187428816003 has 32 divisors (see below), whose sum is σ = 299841518592. Its totient is φ = 102624307200.

The previous prime is 187428815963. The next prime is 187428816037. The reversal of 187428816003 is 300618824781.

It is not a de Polignac number, because 187428816003 - 212 = 187428811907 is a prime.

It is a super-2 number, since 2×1874288160032 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (187428814003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4627678 + ... + 4668003.

It is an arithmetic number, because the mean of its divisors is an integer number (9370047456).

Almost surely, 2187428816003 is an apocalyptic number.

187428816003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

187428816003 is a deficient number, since it is larger than the sum of its proper divisors (112412702589).

187428816003 is a wasteful number, since it uses less digits than its factorization.

187428816003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9295755.

The product of its (nonzero) digits is 516096, while the sum is 48.

The spelling of 187428816003 in words is "one hundred eighty-seven billion, four hundred twenty-eight million, eight hundred sixteen thousand, three".

Divisors: 1 3 11 13 33 39 47 141 143 429 517 611 1551 1833 6721 20163 9295681 27887043 102252491 120843853 306757473 362531559 436897007 1310691021 1329282383 3987847149 4805867077 5679661091 14417601231 17038983273 62476272001 187428816003