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61270117203 = 3109307610327
BaseRepresentation
bin111001000011111110…
…111100101101010011
312212011000112110000010
4321003332330231103
52000440122222303
644051435130003
74266221255211
oct710376745523
9185130473003
1061270117203
1123a914249a9
12ba5b2a3903
135a15931629
142d73435cb1
1518d8eddc03
hexe43fbcb53

61270117203 has 16 divisors (see below), whose sum is σ = 82711650560. Its totient is φ = 40340107296.

The previous prime is 61270117177. The next prime is 61270117261. The reversal of 61270117203 is 30271107216.

It is not a de Polignac number, because 61270117203 - 214 = 61270100819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61270117273) 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, 204775 + ... + 405552.

It is an arithmetic number, because the mean of its divisors is an integer number (5169478160).

Almost surely, 261270117203 is an apocalyptic number.

61270117203 is a deficient number, since it is larger than the sum of its proper divisors (21441533357).

61270117203 is a wasteful number, since it uses less digits than its factorization.

61270117203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610746.

The product of its (nonzero) digits is 3528, while the sum is 30.

The spelling of 61270117203 in words is "sixty-one billion, two hundred seventy million, one hundred seventeen thousand, two hundred three".

Divisors: 1 3 109 307 327 921 33463 100389 610327 1830981 66525643 187370389 199576929 562111167 20423372401 61270117203