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19220173060049 = 13172316781127919
BaseRepresentation
bin1000101111011000010111…
…00101100111011111010001
32112001102121220111101200022
410113230023211213133101
510004400403300410144
6104513343044233225
74022416543265663
oct427541345473721
975042556441608
1019220173060049
1161402586949a5
1221a4bb909b815
13a955ba8260b0
144a639318a533
15234e62ae6cee
hex117b0b9677d1

19220173060049 has 64 divisors (see below), whose sum is σ = 23035227586560. Its totient is φ = 15856280478720.

The previous prime is 19220173059943. The next prime is 19220173060057. The reversal of 19220173060049 is 94006037102291.

It is a cyclic number.

It is not a de Polignac number, because 19220173060049 - 28 = 19220173059793 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19220173059991 and 19220173060009.

It is not an unprimeable number, because it can be changed into a prime (19220173050049) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 688412312 + ... + 688440230.

It is an arithmetic number, because the mean of its divisors is an integer number (359925431040).

Almost surely, 219220173060049 is an apocalyptic number.

It is an amenable number.

19220173060049 is a deficient number, since it is larger than the sum of its proper divisors (3815054526511).

19220173060049 is a wasteful number, since it uses less digits than its factorization.

19220173060049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28950.

The product of its (nonzero) digits is 163296, while the sum is 44.

The spelling of 19220173060049 in words is "nineteen trillion, two hundred twenty billion, one hundred seventy-three million, sixty thousand, forty-nine".

Divisors: 1 13 17 23 167 221 299 391 811 2171 2839 3841 5083 10543 13787 18653 27919 36907 49933 65297 135437 179231 242489 317101 362947 474623 642137 848861 1760681 2302429 3115051 4122313 4662473 6170099 8347781 10916329 22642309 29931577 40495663 52955867 60612149 79262041 107236879 141912277 294350017 384919253 520773107 688426271 1030406533 1394079427 1823026943 3781265603 5003950289 6770050391 8853142819 23699350259 49156452839 64281515251 86969108869 115090856647 835659698263 1130598415297 1478474850773 19220173060049