Search a number
-
+
315152143430 = 2590203349381
BaseRepresentation
bin1001001011000001000…
…10000001010001000110
31010010110111100122222112
410211200202001101012
520130412422042210
6400440124101022
731524523006535
oct4454042012106
91103414318875
10315152143430
11111723194993
12510b3994772
1323946047357
141137964c31c
1582e7a27d05
hex4960881446

315152143430 has 16 divisors (see below), whose sum is σ = 567281770704. Its totient is φ = 126059099040.

The previous prime is 315152143399. The next prime is 315152143457. The reversal of 315152143430 is 34341251513.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 727340 + ... + 1076720.

It is an arithmetic number, because the mean of its divisors is an integer number (35455110669).

Almost surely, 2315152143430 is an apocalyptic number.

315152143430 is a deficient number, since it is larger than the sum of its proper divisors (252129627274).

315152143430 is a wasteful number, since it uses less digits than its factorization.

315152143430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439591.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 315152143430 its reverse (34341251513), we get a palindrome (349493394943).

The spelling of 315152143430 in words is "three hundred fifteen billion, one hundred fifty-two million, one hundred forty-three thousand, four hundred thirty".

Divisors: 1 2 5 10 90203 180406 349381 451015 698762 902030 1746905 3493810 31515214343 63030428686 157576071715 315152143430