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70129051 is a prime number
BaseRepresentation
bin1000010111000…
…01010110011011
311212221220222021
410023201112123
5120423112201
610543035311
71511041606
oct413412633
9155856867
1070129051
1136649aa3
121b59bb37
13116b54a5
14945733d
156253ea1
hex42e159b

70129051 has 2 divisors, whose sum is σ = 70129052. Its totient is φ = 70129050.

The previous prime is 70129027. The next prime is 70129069. The reversal of 70129051 is 15092107.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70129051 - 225 = 36574619 is a prime.

It is not a weakly prime, because it can be changed into another prime (70129021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35064525 + 35064526.

It is an arithmetic number, because the mean of its divisors is an integer number (35064526).

Almost surely, 270129051 is an apocalyptic number.

70129051 is a deficient number, since it is larger than the sum of its proper divisors (1).

70129051 is an equidigital number, since it uses as much as digits as its factorization.

70129051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 70129051 is about 8374.3089864179. The cubic root of 70129051 is about 412.3816392584.

The spelling of 70129051 in words is "seventy million, one hundred twenty-nine thousand, fifty-one".