Search a number
-
+
231552532442355 = 35971491068071369
BaseRepresentation
bin110100101001100010000110…
…011100010110110011110011
31010100212012120010000112020020
4310221202012130112303303
5220322224041301123410
62140245433115014523
766526055420024145
oct6451420634266363
91110765503015206
10231552532442355
1167863972002203
1221b7852273a443
139c28405432437
1441272b9424c95
151bb832d090a70
hexd29886716cf3

231552532442355 has 32 divisors (see below), whose sum is σ = 376815579336000. Its totient is φ = 121401263972352.

The previous prime is 231552532442323. The next prime is 231552532442359. The reversal of 231552532442355 is 553244235255132.

231552532442355 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 231552532442355 - 25 = 231552532442323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231552532442298 and 231552532442307.

It is not an unprimeable number, because it can be changed into a prime (231552532442359) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 533818890 + ... + 534252479.

It is an arithmetic number, because the mean of its divisors is an integer number (11775486854250).

Almost surely, 2231552532442355 is an apocalyptic number.

231552532442355 is a deficient number, since it is larger than the sum of its proper divisors (145263046893645).

231552532442355 is a wasteful number, since it uses less digits than its factorization.

231552532442355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068071623.

The product of its digits is 21600000, while the sum is 51.

Adding to 231552532442355 its reverse (553244235255132), we get a palindrome (784796767697487).

The spelling of 231552532442355 in words is "two hundred thirty-one trillion, five hundred fifty-two billion, five hundred thirty-two million, four hundred forty-two thousand, three hundred fifty-five".

Divisors: 1 3 5 15 97 149 291 447 485 745 1455 2235 14453 43359 72265 216795 1068071369 3204214107 5340356845 16021070535 103602922793 159142633981 310808768379 477427901943 518014613965 795713169905 1554043841895 2387139509715 15436835496157 46310506488471 77184177480785 231552532442355