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23122070670 = 235770735689
BaseRepresentation
bin10101100010001011…
…101100110010001110
32012200102020220001210
4111202023230302032
5334323222230140
614342214115250
71445662233516
oct254213546216
965612226053
1023122070670
119895895a16
12459364bb26
13224645c72a
141194bc6846
15904dc3d80
hex5622ecc8e

23122070670 has 16 divisors (see below), whose sum is σ = 55492969680. Its totient is φ = 6165885504.

The previous prime is 23122070623. The next prime is 23122070687. The reversal of 23122070670 is 7607022132.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 770735689 = 23122070670 / (2 + 3 + 1 + 2 + 2 + 0 + 7 + 0 + 6 + 7 + 0).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385367815 + ... + 385367874.

It is an arithmetic number, because the mean of its divisors is an integer number (3468310605).

Almost surely, 223122070670 is an apocalyptic number.

23122070670 is an abundant number, since it is smaller than the sum of its proper divisors (32370899010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23122070670 is a wasteful number, since it uses less digits than its factorization.

23122070670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770735699.

The product of its (nonzero) digits is 7056, while the sum is 30.

The spelling of 23122070670 in words is "twenty-three billion, one hundred twenty-two million, seventy thousand, six hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 770735689 1541471378 2312207067 3853678445 4624414134 7707356890 11561035335 23122070670