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70286005051 = 436173367069
BaseRepresentation
bin100000101110101011…
…1110101001100111011
320201102100112000001021
41001131113311030323
52122421204130201
652142225003311
75035516120423
oct1013527651473
9221370460037
1070286005051
1127898687989
1211756783537
136821785402
14358a9c5483
151c657a7ea1
hex105d5f533b

70286005051 has 16 divisors (see below), whose sum is σ = 74101155040. Its totient is φ = 66600817920.

The previous prime is 70286005033. The next prime is 70286005073. The reversal of 70286005051 is 15050068207.

It is a cyclic number.

It is not a de Polignac number, because 70286005051 - 211 = 70286003003 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70286004998 and 70286005016.

It is not an unprimeable number, because it can be changed into a prime (70286005001) 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, 7945 + ... + 375013.

It is an arithmetic number, because the mean of its divisors is an integer number (4631322190).

Almost surely, 270286005051 is an apocalyptic number.

70286005051 is a deficient number, since it is larger than the sum of its proper divisors (3815149989).

70286005051 is a wasteful number, since it uses less digits than its factorization.

70286005051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367246.

The product of its (nonzero) digits is 16800, while the sum is 34.

The spelling of 70286005051 in words is "seventy billion, two hundred eighty-six million, five thousand, fifty-one".

Divisors: 1 43 61 73 2623 3139 4453 191479 367069 15783967 22391209 26796037 962821987 1152229591 1634558257 70286005051