Search a number
-
+
30034023453 = 347109348463
BaseRepresentation
bin11011111110001010…
…101101010000011101
32212112010022110210000
4123332022231100131
5443002202222303
621444125204513
72112161662410
oct337612552035
985463273700
1030034023453
1111812472395
1259a2400739
132aa8448515
14164cb83b77
15babae9da3
hex6fe2ad41d

30034023453 has 40 divisors (see below), whose sum is σ = 51322988288. Its totient is φ = 17146243296.

The previous prime is 30034023433. The next prime is 30034023457. The reversal of 30034023453 is 35432043003.

It is a happy number.

It is not a de Polignac number, because 30034023453 - 216 = 30033957917 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30034023457) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 595500 + ... + 643962.

Almost surely, 230034023453 is an apocalyptic number.

It is an amenable number.

30034023453 is a deficient number, since it is larger than the sum of its proper divisors (21288964835).

30034023453 is a wasteful number, since it uses less digits than its factorization.

30034023453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49575 (or 49566 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 27.

Adding to 30034023453 its reverse (35432043003), we get a palindrome (65466066456).

The spelling of 30034023453 in words is "thirty billion, thirty-four million, twenty-three thousand, four hundred fifty-three".

Divisors: 1 3 7 9 21 27 63 81 189 567 1093 3279 7651 9837 22953 29511 48463 68859 88533 145389 206577 339241 436167 619731 1017723 1308501 3053169 3925503 9159507 27478521 52970059 158910177 370790413 476730531 1112371239 1430191593 3337113717 4290574779 10011341151 30034023453