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130023123111 = 32719509213407
BaseRepresentation
bin111100100010111111…
…0110110100010100111
3110102121112110000120100
41321011332312202213
54112241404414421
6135422022435143
712252044211450
oct1710576664247
9412545400510
10130023123111
1150162732942
1221248592ab3
13c35190c64b
1464165a8127
1535aedcec26
hex1e45fb68a7

130023123111 has 48 divisors (see below), whose sum is σ = 226383206400. Its totient is φ = 70249840704.

The previous prime is 130023123089. The next prime is 130023123121. The reversal of 130023123111 is 111321320031.

130023123111 is a `hidden beast` number, since 1 + 300 + 231 + 23 + 111 = 666.

It is not a de Polignac number, because 130023123111 - 25 = 130023123079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130023123121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 502570 + ... + 715976.

It is an arithmetic number, because the mean of its divisors is an integer number (4716316800).

Almost surely, 2130023123111 is an apocalyptic number.

130023123111 is a deficient number, since it is larger than the sum of its proper divisors (96360083289).

130023123111 is a wasteful number, since it uses less digits than its factorization.

130023123111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213948 (or 213945 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 130023123111 its reverse (111321320031), we get a palindrome (241344443142).

The spelling of 130023123111 in words is "one hundred thirty billion, twenty-three million, one hundred twenty-three thousand, one hundred eleven".

Divisors: 1 3 7 9 19 21 57 63 133 171 399 509 1197 1527 3563 4581 9671 10689 29013 32067 67697 87039 203091 213407 609273 640221 1493849 1920663 4054733 4481547 12164199 13444641 28383131 36492597 85149393 108624163 255448179 325872489 760369141 977617467 2063859097 2281107423 6191577291 6843322269 14447013679 18574731873 43341041037 130023123111