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20850141309315 = 3519671163938879
BaseRepresentation
bin1001011110110100011010…
…10001000010100110000011
32201211020212012022200012120
410233122031101002212003
510213102042133344230
6112202231144455323
74251241636642113
oct457321521024603
981736765280176
1020850141309315
11670954a23063a
122408a9217a543
13b832103783b6
1452121b9b9043
15262560132310
hex12f68d442983

20850141309315 has 64 divisors (see below), whose sum is σ = 35670830284800. Its totient is φ = 10368638146944.

The previous prime is 20850141309307. The next prime is 20850141309323. The reversal of 20850141309315 is 51390314105802.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20850141309307) and next prime (20850141309323).

It is not a de Polignac number, because 20850141309315 - 23 = 20850141309307 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21738046 + ... + 22676924.

It is an arithmetic number, because the mean of its divisors is an integer number (557356723200).

Almost surely, 220850141309315 is an apocalyptic number.

20850141309315 is a deficient number, since it is larger than the sum of its proper divisors (14820688975485).

20850141309315 is a wasteful number, since it uses less digits than its factorization.

20850141309315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940136.

The product of its (nonzero) digits is 129600, while the sum is 42.

The spelling of 20850141309315 in words is "twenty trillion, eight hundred fifty billion, one hundred forty-one million, three hundred nine thousand, three hundred fifteen".

Divisors: 1 3 5 15 19 57 67 95 201 285 335 1005 1163 1273 3489 3819 5815 6365 17445 19095 22097 66291 77921 110485 233763 331455 389605 938879 1168815 1480499 2816637 4441497 4694395 7402495 14083185 17838701 22207485 53516103 62904893 89193505 188714679 267580515 314524465 943573395 1091916277 1195192967 3275748831 3585578901 5459581385 5975964835 16378744155 17927894505 20746409263 62239227789 73158390559 103732046315 219475171677 311196138945 365791952795 1097375858385 1390009420621 4170028261863 6950047103105 20850141309315