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23145111130 = 2553157349797
BaseRepresentation
bin10101100011100011…
…100101111001011010
32012202000121110122011
4111203203211321122
5334400122024010
614344400020134
71446362125051
oct254343457132
965660543564
1023145111130
1198a78a2619
12459b30164a
13224b168a3b
141197ca3398
15906e25a8a
hex5638e5e5a

23145111130 has 64 divisors (see below), whose sum is σ = 42893776800. Its totient is φ = 8988355584.

The previous prime is 23145111127. The next prime is 23145111137. The reversal of 23145111130 is 3111154132.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 4265526721 + 18879584409 = 65311^2 + 137403^2 .

It is not an unprimeable number, because it can be changed into a prime (23145111137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29039892 + ... + 29040688.

Almost surely, 223145111130 is an apocalyptic number.

23145111130 is a deficient number, since it is larger than the sum of its proper divisors (19748665670).

23145111130 is a wasteful number, since it uses less digits than its factorization.

23145111130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363.

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 23145111130 its reverse (3111154132), we get a palindrome (26256265262).

The spelling of 23145111130 in words is "twenty-three billion, one hundred forty-five million, one hundred eleven thousand, one hundred thirty".

Divisors: 1 2 5 10 53 106 157 265 314 349 530 698 785 797 1570 1594 1745 3490 3985 7970 8321 16642 18497 36994 41605 42241 54793 83210 84482 92485 109586 125129 184970 211205 250258 273965 278153 422410 547930 556306 625645 1251290 1390765 2781530 2904029 5808058 6631837 13263674 14520145 14742109 29040290 29484218 33159185 43670021 66318370 73710545 87340042 147421090 218350105 436700210 2314511113 4629022226 11572555565 23145111130