Base | Representation |
---|---|
bin | 10000011001011111100000… |
… | …010111000100101101110111 |
3 | 100110100122202211101210111220 |
4 | 100121133200113010231313 |
5 | 33423110401330342101 |
6 | 413215421120001423 |
7 | 21122352465235020 |
oct | 2031374027045567 |
9 | 313318684353456 |
10 | 72120560012151 |
11 | 20a86180a47492 |
12 | 8109545760273 |
13 | 3131c2a48cb71 |
14 | 13b4921b95c47 |
15 | 85104bbe8636 |
hex | 4197e05c4b77 |
72120560012151 has 16 divisors (see below), whose sum is σ = 109898890331904. Its totient is φ = 41211413282304.
The previous prime is 72120560012099. The next prime is 72120560012201. The reversal of 72120560012151 is 15121006502127.
It is not a de Polignac number, because 72120560012151 - 217 = 72120559881079 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72120560412151) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11316345 + ... + 16501538.
It is an arithmetic number, because the mean of its divisors is an integer number (6868680645744).
Almost surely, 272120560012151 is an apocalyptic number.
72120560012151 is a deficient number, since it is larger than the sum of its proper divisors (37778330319753).
72120560012151 is a wasteful number, since it uses less digits than its factorization.
72120560012151 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27941350.
The product of its (nonzero) digits is 8400, while the sum is 33.
Adding to 72120560012151 its reverse (15121006502127), we get a palindrome (87241566514278).
The spelling of 72120560012151 in words is "seventy-two trillion, one hundred twenty billion, five hundred sixty million, twelve thousand, one hundred fifty-one".
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