Search a number
-
+
30523101136 = 2411228176031
BaseRepresentation
bin11100011011010100…
…011000111111010000
32220210012121012020021
4130123110120333100
51000002403214021
622004435553224
72130251036023
oct343324307720
986705535207
1030523101136
1111a43549720
125aba15b814
132b55877cb8
141697ad51ba
15bd9a06c41
hex71b518fd0

30523101136 has 40 divisors (see below), whose sum is σ = 64543868928. Its totient is φ = 13867872000.

The previous prime is 30523101097. The next prime is 30523101137. The reversal of 30523101136 is 63110132503.

It is a self number, because there is not a number n which added to its sum of digits gives 30523101136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30523101137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363441 + ... + 439471.

Almost surely, 230523101136 is an apocalyptic number.

It is an amenable number.

30523101136 is an abundant number, since it is smaller than the sum of its proper divisors (34020767792).

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

30523101136 is a wasteful number, since it uses less digits than its factorization.

30523101136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78331 (or 78325 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 25.

Adding to 30523101136 its reverse (63110132503), we get a palindrome (93633233639).

The spelling of 30523101136 in words is "thirty billion, five hundred twenty-three million, one hundred one thousand, one hundred thirty-six".

Divisors: 1 2 4 8 11 16 22 44 88 176 2281 4562 9124 18248 25091 36496 50182 76031 100364 152062 200728 304124 401456 608248 836341 1216496 1672682 3345364 6690728 13381456 173426711 346853422 693706844 1387413688 1907693821 2774827376 3815387642 7630775284 15261550568 30523101136