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112628031201 = 34747612
BaseRepresentation
bin110100011100100100…
…1110101111011100001
3101202201020111210110000
41220321021311323201
53321130233444301
6123423545330213
711065012320000
oct1507111657341
9352636453400
10112628031201
1143846650924
12199b2a96969
13a80bb0595a
145646240c37
152de2bb3786
hex1a39275ee1

112628031201 has 75 divisors (see below), whose sum is σ = 196534526243. Its totient is φ = 64274303520.

The previous prime is 112628031127. The next prime is 112628031203. The reversal of 112628031201 is 102130826211.

The square root of 112628031201 is 335601.

It is a perfect power (a square), and thus also a powerful number.

112628031201 is a `hidden beast` number, since 1 + 1 + 2 + 628 + 0 + 31 + 2 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 295805601 + 112332225600 = 17199^2 + 335160^2 .

It is not a de Polignac number, because 112628031201 - 27 = 112628031073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112628031203) by changing a digit.

It is a polite number, since it can be written in 74 ways as a sum of consecutive naturals, for example, 147999661 + ... + 148000421.

Almost surely, 2112628031201 is an apocalyptic number.

112628031201 is the 335601-st square number.

112628031201 is the 167801-st centered octagonal number.

It is an amenable number.

112628031201 is a deficient number, since it is larger than the sum of its proper divisors (83906495042).

112628031201 is an frugal number, since it uses more digits than its factorization.

112628031201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1562 (or 771 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

Adding to 112628031201 its reverse (102130826211), we get a palindrome (214758857412).

It can be divided in two parts, 1126280 and 31201, that added together give a triangular number (1157481 = T1521).

The spelling of 112628031201 in words is "one hundred twelve billion, six hundred twenty-eight million, thirty-one thousand, two hundred one".

Divisors: 1 3 7 9 21 27 49 63 81 147 189 343 441 567 761 1029 1323 2283 2401 3087 3969 5327 6849 7203 9261 15981 20547 21609 27783 37289 47943 61641 64827 111867 143829 194481 261023 335601 431487 579121 783069 1006803 1737363 1827161 2349207 3020409 4053847 5212089 5481483 7047621 12161541 15636267 16444449 21142863 28376929 36484623 46908801 49333347 85130787 109453869 148000041 198638503 255392361 328361607 595915509 766177083 1390469521 1787746527 2298531249 4171408563 5363239581 12514225689 16089718743 37542677067 112628031201