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70007000077 = 710001000011
BaseRepresentation
bin100000100110010111…
…1100000110000001101
320200200220112002011201
41001030233200300031
52121333243000302
652054420545501
75025560453020
oct1011457406015
9220626462151
1070007000077
1127765143363
1211699252291
1367a8a28901
1435619191b7
151c4b044c87
hex104cbe0c0d

70007000077 has 4 divisors (see below), whose sum is σ = 80008000096. Its totient is φ = 60006000060.

The previous prime is 70007000051. The next prime is 70007000131. The reversal of 70007000077 is 77000070007.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70007000077 - 219 = 70006475789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70007000017) 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, 5000499999 + ... + 5000500012.

It is an arithmetic number, because the mean of its divisors is an integer number (20002000024).

Almost surely, 270007000077 is an apocalyptic number.

It is an amenable number.

70007000077 is a deficient number, since it is larger than the sum of its proper divisors (10001000019).

70007000077 is a wasteful number, since it uses less digits than its factorization.

70007000077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10001000018.

The product of its (nonzero) digits is 2401, while the sum is 28.

The spelling of 70007000077 in words is "seventy billion, seven million, seventy-seven", and thus it is an aban number and an uban number.

Divisors: 1 7 10001000011 70007000077