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19230856733494 = 279559714368993
BaseRepresentation
bin1000101111101100010000…
…11000100110001100110110
32112002110012110201020110101
410113312020120212030312
510010034243310432434
6104522311132344314
74023245362102660
oct427661030461466
975073173636411
1019230856733494
11614484030798a
1221a709b01509a
13a96601057563
144a6ac8037530
1523538a9eeb14
hex117d88626336

19230856733494 has 16 divisors (see below), whose sum is σ = 32967530121888. Its totient is φ = 8241708955392.

The previous prime is 19230856733477. The next prime is 19230856733527. The reversal of 19230856733494 is 49433765803291.

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, 5846139 + ... + 8522854.

It is an arithmetic number, because the mean of its divisors is an integer number (2060470632618).

It is a 1-persistent number, because it is pandigital, but 2⋅19230856733494 = 38461713466988 is not.

Almost surely, 219230856733494 is an apocalyptic number.

19230856733494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

19230856733494 is a deficient number, since it is larger than the sum of its proper divisors (13736673388394).

19230856733494 is a wasteful number, since it uses less digits than its factorization.

19230856733494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14464599.

The product of its (nonzero) digits is 117573120, while the sum is 64.

The spelling of 19230856733494 in words is "nineteen trillion, two hundred thirty billion, eight hundred fifty-six million, seven hundred thirty-three thousand, four hundred ninety-four".

Divisors: 1 2 7 14 95597 191194 669179 1338358 14368993 28737986 100582951 201165902 1373632623821 2747265247642 9615428366747 19230856733494