Search a number
-
+
30515415431053 = 749996367136963
BaseRepresentation
bin1101111000000111011000…
…11111110011011110001101
311000001020121202202111200111
412330003230133303132031
512444431032322243203
6144522331024400021
76266444304306340
oct674035437633615
9130036552674614
1030515415431053
1197a5573526013
12350a112a76011
13140478c1bb257
14776d4da54457
1537db98e3226d
hex1bc0ec7f378d

30515415431053 has 16 divisors (see below), whose sum is σ = 34887470080000. Its totient is φ = 26146539958896.

The previous prime is 30515415431021. The next prime is 30515415431063. The reversal of 30515415431053 is 35013451451503.

It is not a de Polignac number, because 30515415431053 - 25 = 30515415431021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30515415430997 and 30515415431015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30515415431063) 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, 222731950 + ... + 222868912.

It is an arithmetic number, because the mean of its divisors is an integer number (2180466880000).

Almost surely, 230515415431053 is an apocalyptic number.

It is an amenable number.

30515415431053 is a deficient number, since it is larger than the sum of its proper divisors (4372054648947).

30515415431053 is a wasteful number, since it uses less digits than its factorization.

30515415431053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148336.

The product of its (nonzero) digits is 270000, while the sum is 40.

Adding to 30515415431053 its reverse (35013451451503), we get a palindrome (65528866882556).

The spelling of 30515415431053 in words is "thirty trillion, five hundred fifteen billion, four hundred fifteen million, four hundred thirty-one thousand, fifty-three".

Divisors: 1 7 4999 6367 34993 44569 136963 958741 31828633 222800431 684678037 872043421 4792746259 6104303947 4359345061579 30515415431053