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130223641557 = 3237092661917
BaseRepresentation
bin111100101000111101…
…1110001001111010101
3110110010111202102011110
41321101323301033111
54113144223012212
6135453544325233
712260030455362
oct1712173611725
9413114672143
10130223641557
115025593a369
12212a3773819
13c384318909
146435083469
1535c27dca3c
hex1e51ef13d5

130223641557 has 16 divisors (see below), whose sum is σ = 181436330880. Its totient is φ = 82924007232.

The previous prime is 130223641543. The next prime is 130223641567. The reversal of 130223641557 is 755146322031.

It is not a de Polignac number, because 130223641557 - 211 = 130223639509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130223641507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1282038 + ... + 1379879.

It is an arithmetic number, because the mean of its divisors is an integer number (11339770680).

Almost surely, 2130223641557 is an apocalyptic number.

It is an amenable number.

130223641557 is a deficient number, since it is larger than the sum of its proper divisors (51212689323).

130223641557 is a wasteful number, since it uses less digits than its factorization.

130223641557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2662652.

The product of its (nonzero) digits is 151200, while the sum is 39.

Adding to 130223641557 its reverse (755146322031), we get a palindrome (885369963588).

The spelling of 130223641557 in words is "one hundred thirty billion, two hundred twenty-three million, six hundred forty-one thousand, five hundred fifty-seven".

Divisors: 1 3 23 69 709 2127 16307 48921 2661917 7985751 61224091 183672273 1887299153 5661897459 43407880519 130223641557