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70613011 = 710087573
BaseRepresentation
bin1000011010101…
…11100000010011
311220212111211201
410031113200103
5121034104021
611001252031
71515125560
oct415274023
9156774751
1070613011
113694a667
121b794017
1311824861
149541867
1562ec591
hex4357813

70613011 has 4 divisors (see below), whose sum is σ = 80700592. Its totient is φ = 60525432.

The previous prime is 70612939. The next prime is 70613017. The reversal of 70613011 is 11031607.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70613011 - 219 = 70088723 is a prime.

It is a super-2 number, since 2×706130112 = 9972394644972242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70613011.

It is not an unprimeable number, because it can be changed into a prime (70613017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5043780 + ... + 5043793.

It is an arithmetic number, because the mean of its divisors is an integer number (20175148).

Almost surely, 270613011 is an apocalyptic number.

70613011 is a deficient number, since it is larger than the sum of its proper divisors (10087581).

70613011 is a wasteful number, since it uses less digits than its factorization.

70613011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10087580.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 70613011 is about 8403.1548242312. The cubic root of 70613011 is about 413.3280795523.

Adding to 70613011 its reverse (11031607), we get a palindrome (81644618).

The spelling of 70613011 in words is "seventy million, six hundred thirteen thousand, eleven".

Divisors: 1 7 10087573 70613011