Search a number
-
+
103154312345 = 57137139154769
BaseRepresentation
bin110000000010001111…
…0011110010010011001
3100212021000001000022212
41200010132132102121
53142230000443340
6115215522524505
710311155121260
oct1400436362231
9325230030285
10103154312345
113a824a13707
1217baa206735
13995c172956
144dc7d555d7
152a3b110a65
hex180479e499

103154312345 has 32 divisors (see below), whose sum is σ = 143527507200. Its totient is φ = 69712459776.

The previous prime is 103154312293. The next prime is 103154312363. The reversal of 103154312345 is 543213451301.

It is a cyclic number.

It is not a de Polignac number, because 103154312345 - 218 = 103154050201 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 589121 + ... + 743889.

It is an arithmetic number, because the mean of its divisors is an integer number (4485234600).

Almost surely, 2103154312345 is an apocalyptic number.

It is an amenable number.

103154312345 is a deficient number, since it is larger than the sum of its proper divisors (40373194855).

103154312345 is a wasteful number, since it uses less digits than its factorization.

103154312345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155057.

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

Adding to 103154312345 its reverse (543213451301), we get a palindrome (646367763646).

The spelling of 103154312345 in words is "one hundred three billion, one hundred fifty-four million, three hundred twelve thousand, three hundred forty-five".

Divisors: 1 5 7 35 137 139 685 695 959 973 4795 4865 19043 95215 133301 154769 666505 773845 1083383 5416915 21203353 21512891 106016765 107564455 148423471 150590237 742117355 752951185 2947266067 14736330335 20630862469 103154312345