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315005612155104 = 25313252408343073
BaseRepresentation
bin100011110011111101111010…
…1100111010110000011100000
31112022100020112201112222121010
41013213323311213112003200
5312242022443202430404
63033543325213500520
7123231255503340003
oct10747736547260340
91468306481488533
10315005612155104
1191409147978212
122b3b62461a1740
131069cb95246520
1457b04d27db53a
152664043a49189
hex11e7ef59d60e0

315005612155104 has 48 divisors (see below), whose sum is σ = 890496634365072. Its totient is φ = 96924803739648.

The previous prime is 315005612155099. The next prime is 315005612155121. The reversal of 315005612155104 is 401551216500513.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×3150056121551042 (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 126204170289 + ... + 126204172784.

It is an arithmetic number, because the mean of its divisors is an integer number (18552013215939).

Almost surely, 2315005612155104 is an apocalyptic number.

It is an amenable number.

315005612155104 is an abundant number, since it is smaller than the sum of its proper divisors (575491022209968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315005612155104 is a wasteful number, since it uses less digits than its factorization.

315005612155104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252408343099 (or 252408343091 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 39.

Adding to 315005612155104 its reverse (401551216500513), we get a palindrome (716556828655617).

The spelling of 315005612155104 in words is "three hundred fifteen trillion, five billion, six hundred twelve million, one hundred fifty-five thousand, one hundred four".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 78 96 104 156 208 312 416 624 1248 252408343073 504816686146 757225029219 1009633372292 1514450058438 2019266744584 3028900116876 3281308459949 4038533489168 6057800233752 6562616919898 8077066978336 9843925379847 12115600467504 13125233839796 19687850759694 24231200935008 26250467679592 39375701519388 52500935359184 78751403038776 105001870718368 157502806077552 315005612155104