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30858001037 = 231341652219
BaseRepresentation
bin11100101111010001…
…111011101010001101
32221122112202212112022
4130233101323222031
51001144122013122
622102002015525
72141455452413
oct345721735215
987575685468
1030858001037
11120a559a9a6
125b923475a5
132baa075116
1416ca3912b3
15c0910b642
hex72f47ba8d

30858001037 has 4 divisors (see below), whose sum is σ = 32199653280. Its totient is φ = 29516348796.

The previous prime is 30858001019. The next prime is 30858001081. The reversal of 30858001037 is 73010085803.

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, and also an emirpimes, since its reverse is a distinct semiprime: 73010085803 = 326472236349.

It is a cyclic number.

It is not a de Polignac number, because 30858001037 - 218 = 30857738893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30858000988 and 30858001006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30858001007) 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, 670826087 + ... + 670826132.

It is an arithmetic number, because the mean of its divisors is an integer number (8049913320).

Almost surely, 230858001037 is an apocalyptic number.

It is an amenable number.

30858001037 is a deficient number, since it is larger than the sum of its proper divisors (1341652243).

30858001037 is a wasteful number, since it uses less digits than its factorization.

30858001037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341652242.

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 30858001037 in words is "thirty billion, eight hundred fifty-eight million, one thousand, thirty-seven".

Divisors: 1 23 1341652219 30858001037