Search a number
-
+
302130430040 = 2357553260751
BaseRepresentation
bin1000110010110000110…
…00001000000001011000
31001212211222201002100102
410121120120020001120
514422230342230130
6350444035354532
730554034165545
oct4313030100130
91055758632312
10302130430040
1110715082998a
124a67aa52a48
132264c3123ba
14108a206dbcc
157cd4737645
hex4658608058

302130430040 has 16 divisors (see below), whose sum is σ = 679793467680. Its totient is φ = 120852172000.

The previous prime is 302130430027. The next prime is 302130430051. The reversal of 302130430040 is 40034031203.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 302130429994 and 302130430021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3776630336 + ... + 3776630415.

It is an arithmetic number, because the mean of its divisors is an integer number (42487091730).

Almost surely, 2302130430040 is an apocalyptic number.

It is an amenable number.

302130430040 is an abundant number, since it is smaller than the sum of its proper divisors (377663037640).

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

302130430040 is a wasteful number, since it uses less digits than its factorization.

302130430040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7553260762 (or 7553260758 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 302130430040 its reverse (40034031203), we get a palindrome (342164461243).

The spelling of 302130430040 in words is "three hundred two billion, one hundred thirty million, four hundred thirty thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 7553260751 15106521502 30213043004 37766303755 60426086008 75532607510 151065215020 302130430040