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156830442132 = 223721320516803
BaseRepresentation
bin1001001000001111010…
…0101010001010010100
3112222210210010220222210
42102003310222022110
510032142043122012
6200014044353420
714221255522500
oct2220364521224
9488723126883
10156830442132
1160569772451
122648a245870
1311a346c93b0
14783a9b1300
15412d5a423c
hex2483d2a294

156830442132 has 72 divisors (see below), whose sum is σ = 458427468576. Its totient is φ = 41361872832.

The previous prime is 156830442071. The next prime is 156830442173. The reversal of 156830442132 is 231244038651.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10250758 + ... + 10266045.

Almost surely, 2156830442132 is an apocalyptic number.

156830442132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

156830442132 is an abundant number, since it is smaller than the sum of its proper divisors (301597026444).

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

156830442132 is a wasteful number, since it uses less digits than its factorization.

156830442132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20516837 (or 20516828 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 156830442132 in words is "one hundred fifty-six billion, eight hundred thirty million, four hundred forty-two thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 7 12 13 14 21 26 28 39 42 49 52 78 84 91 98 147 156 182 196 273 294 364 546 588 637 1092 1274 1911 2548 3822 7644 20516803 41033606 61550409 82067212 123100818 143617621 246201636 266718439 287235242 430852863 533436878 574470484 800155317 861705726 1005323347 1066873756 1600310634 1723411452 1867029073 2010646694 3015970041 3200621268 3734058146 4021293388 5601087219 6031940082 7468116292 11202174438 12063880164 13069203511 22404348876 26138407022 39207610533 52276814044 78415221066 156830442132