Search a number
-
+
315120401616143 = 13926472689331847
BaseRepresentation
bin100011110100110011010111…
…1100110011000110100001111
31112022202012211121011210101002
41013221212233212120310033
5312300413040303204033
63034112151454210515
7123242461212554504
oct10751465746306417
91468665747153332
10315120401616143
11914528a25a4292
122b414540ab3a3b
13106aa959a97a36
1457b5ca1b194ab
15266701135b3e8
hex11e99af998d0f

315120401616143 has 16 divisors (see below), whose sum is σ = 317529135920640. Its totient is φ = 312713708269536.

The previous prime is 315120401616133. The next prime is 315120401616149. The reversal of 315120401616143 is 341616104021513.

It is a cyclic number.

It is not a de Polignac number, because 315120401616143 - 24 = 315120401616127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 315120401616097 and 315120401616106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315120401616149) 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, 9894806246 + ... + 9894838092.

It is an arithmetic number, because the mean of its divisors is an integer number (19845570995040).

Almost surely, 2315120401616143 is an apocalyptic number.

315120401616143 is a deficient number, since it is larger than the sum of its proper divisors (2408734304497).

315120401616143 is a wasteful number, since it uses less digits than its factorization.

315120401616143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61526.

The product of its (nonzero) digits is 51840, while the sum is 38.

Adding to 315120401616143 its reverse (341616104021513), we get a palindrome (656736505637656).

The spelling of 315120401616143 in words is "three hundred fifteen trillion, one hundred twenty billion, four hundred one million, six hundred sixteen thousand, one hundred forty-three".

Divisors: 1 139 2647 26893 31847 367933 3738127 4426733 71185771 84299009 856461371 9894822169 11717562251 119048130569 2267053249037 315120401616143