Search a number
-
+
30230054998 = 21113479220667
BaseRepresentation
bin11100001001110110…
…100000100001010110
32220000210011220111121
4130021312200201112
5443402343224443
621515410554154
72120062141063
oct341166404126
986023156447
1030230054998
1111903094830
125a37b9895a
132b09c43410
14166ac11c6a
15bbde1d4ed
hex709da0856

30230054998 has 32 divisors (see below), whose sum is σ = 53384002560. Its totient is φ = 12657401760.

The previous prime is 30230054989. The next prime is 30230054999. The reversal of 30230054998 is 89945003203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30230054999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26661 + ... + 247327.

It is an arithmetic number, because the mean of its divisors is an integer number (1668250080).

Almost surely, 230230054998 is an apocalyptic number.

30230054998 is a deficient number, since it is larger than the sum of its proper divisors (23153947562).

30230054998 is a wasteful number, since it uses less digits than its factorization.

30230054998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221172.

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 30230054998 in words is "thirty billion, two hundred thirty million, fifty-four thousand, nine hundred ninety-eight".

Divisors: 1 2 11 13 22 26 143 286 479 958 5269 6227 10538 12454 68497 136994 220667 441334 2427337 2868671 4854674 5737342 31555381 63110762 105699493 211398986 1162694423 1374093409 2325388846 2748186818 15115027499 30230054998