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231514045015505 = 5773293309256487
BaseRepresentation
bin110100101000111110010000…
…011010011110010111010001
31010100201112012212010200000112
4310220332100122132113101
5220321111231010444010
62140220030051531105
766523223600215460
oct6450762032362721
91110645185120015
10231514045015505
116784961194181a
1221b70b812b9a95
139c248b0854c95
1441254a7ab09d7
151bb7329288a05
hexd28f9069e5d1

231514045015505 has 32 divisors (see below), whose sum is σ = 322952839340544. Its totient is φ = 156043400679936.

The previous prime is 231514045015493. The next prime is 231514045015523. The reversal of 231514045015505 is 505510540415132.

231514045015505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 231514045015505 - 210 = 231514045014481 is a prime.

It is a Curzon number.

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, 153879629 + ... + 155376858.

It is an arithmetic number, because the mean of its divisors is an integer number (10092276229392).

Almost surely, 2231514045015505 is an apocalyptic number.

It is an amenable number.

231514045015505 is a deficient number, since it is larger than the sum of its proper divisors (91438794325039).

231514045015505 is a wasteful number, since it uses less digits than its factorization.

231514045015505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309256865.

The product of its (nonzero) digits is 300000, while the sum is 41.

The spelling of 231514045015505 in words is "two hundred thirty-one trillion, five hundred fourteen billion, forty-five million, fifteen thousand, five hundred five".

Divisors: 1 5 7 35 73 293 365 511 1465 2051 2555 10255 21389 106945 149723 748615 309256487 1546282435 2164795409 10823977045 22575723551 90612150691 112878617755 158030064857 453060753455 634285054837 790150324285 3171425274185 6614687000443 33073435002215 46302809003101 231514045015505