Search a number
-
+
90030313140 = 22353534250723
BaseRepresentation
bin101001111011000111…
…0011000111010110100
322121101100220202221020
41103312032120322310
52433340230010030
6105205342021140
76335015015025
oct1236616307264
9277340822836
1090030313140
11351aa845879
1215546b777b0
13864a1a6951
144500d4cc4c
15251dd68510
hex14f6398eb4

90030313140 has 48 divisors (see below), whose sum is σ = 252799057728. Its totient is φ = 23940066304.

The previous prime is 90030313133. The next prime is 90030313171. The reversal of 90030313140 is 4131303009.

It is a self number, because there is not a number n which added to its sum of digits gives 90030313140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2104182 + ... + 2146541.

It is an arithmetic number, because the mean of its divisors is an integer number (5266647036).

Almost surely, 290030313140 is an apocalyptic number.

It is an amenable number.

90030313140 is an abundant number, since it is smaller than the sum of its proper divisors (162768744588).

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

90030313140 is a wasteful number, since it uses less digits than its factorization.

90030313140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4251088 (or 4251086 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 90030313140 its reverse (4131303009), we get a palindrome (94161616149).

The spelling of 90030313140 in words is "ninety billion, thirty million, three hundred thirteen thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 353 706 1059 1412 1765 2118 3530 4236 5295 7060 10590 21180 4250723 8501446 12752169 17002892 21253615 25504338 42507230 51008676 63760845 85014460 127521690 255043380 1500505219 3001010438 4501515657 6002020876 7502526095 9003031314 15005052190 18006062628 22507578285 30010104380 45015156570 90030313140