Search a number
-
+
30260751400 = 235211171018011
BaseRepresentation
bin11100001011101011…
…100110110000101000
32220002220221110001101
4130023223212300220
5443433223021100
621522424531144
72120614100005
oct341353466050
986086843041
1030260751400
1111919450460
125a46320ab4
132b13400379
141670d228ac
15bc198386a
hex70bae6c28

30260751400 has 192 divisors, whose sum is σ = 82081978560. Its totient is φ = 10252800000.

The previous prime is 30260751397. The next prime is 30260751403. The reversal of 30260751400 is 415706203.

It is an interprime number because it is at equal distance from previous prime (30260751397) and next prime (30260751403).

It is not an unprimeable number, because it can be changed into a prime (30260751403) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 3773395 + ... + 3781405.

It is an arithmetic number, because the mean of its divisors is an integer number (427510305).

Almost surely, 230260751400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30260751400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41040989280).

30260751400 is an abundant number, since it is smaller than the sum of its proper divisors (51821227160).

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

30260751400 is a wasteful number, since it uses less digits than its factorization.

30260751400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8156 (or 8147 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The spelling of 30260751400 in words is "thirty billion, two hundred sixty million, seven hundred fifty-one thousand, four hundred".