Search a number
-
+
505601210030 = 257411271387147
BaseRepresentation
bin1110101101110000010…
…11100011011010101110
31210100001012212122220212
413112320023203122232
531240432402210110
61024134152342422
751346161242630
oct7267013433256
91710035778825
10505601210030
1118547377a4a4
1281ba49a4a12
13388a7709c37
141a6850a4a50
15d242745e05
hex75b82e36ae

505601210030 has 64 divisors (see below), whose sum is σ = 1073852301312. Its totient is φ = 167789180160.

The previous prime is 505601210021. The next prime is 505601210099. The reversal of 505601210030 is 30012106505.

It is a junction number, because it is equal to n+sod(n) for n = 505601209978 and 505601210005.

It is a congruent 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, 329084 + ... + 1058063.

It is an arithmetic number, because the mean of its divisors is an integer number (16778942208).

Almost surely, 2505601210030 is an apocalyptic number.

505601210030 is an abundant number, since it is smaller than the sum of its proper divisors (568251091282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505601210030 is a wasteful number, since it uses less digits than its factorization.

505601210030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387329.

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 505601210030 its reverse (30012106505), we get a palindrome (535613316535).

The spelling of 505601210030 in words is "five hundred five billion, six hundred one million, two hundred ten thousand, thirty".

Divisors: 1 2 5 7 10 14 35 41 70 82 127 205 254 287 410 574 635 889 1270 1435 1778 2870 4445 5207 8890 10414 26035 36449 52070 72898 182245 364490 1387147 2774294 6935735 9710029 13871470 19420058 48550145 56873027 97100290 113746054 176167669 284365135 352335338 398111189 568730270 796222378 880838345 1233173683 1761676690 1990555945 2466347366 3981111890 6165868415 7222874429 12331736830 14445748858 36114372145 50560121003 72228744290 101120242006 252800605015 505601210030