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34123243154 = 27112131981553
BaseRepresentation
bin11111110001111001…
…110101111010010010
310021002002220100122112
4133301321311322102
51024341022240104
623402003305322
72315414531630
oct376171657222
9107062810575
1034123243154
1113520754700
12674397b242
1332aa6a7950
141919cc0350
15d4aae586e
hex7f1e75e92

34123243154 has 96 divisors (see below), whose sum is σ = 72889703040. Its totient is φ = 11626053120.

The previous prime is 34123243111. The next prime is 34123243157. The reversal of 34123243154 is 45134232143.

It is a self number, because there is not a number n which added to its sum of digits gives 34123243154.

It is not an unprimeable number, because it can be changed into a prime (34123243157) 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, 377642 + ... + 459194.

It is an arithmetic number, because the mean of its divisors is an integer number (759267740).

Almost surely, 234123243154 is an apocalyptic number.

34123243154 is an abundant number, since it is smaller than the sum of its proper divisors (38766459886).

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

34123243154 is a wasteful number, since it uses less digits than its factorization.

34123243154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81616 (or 81605 counting only the distinct ones).

The product of its digits is 34560, while the sum is 32.

Adding to 34123243154 its reverse (45134232143), we get a palindrome (79257475297).

The spelling of 34123243154 in words is "thirty-four billion, one hundred twenty-three million, two hundred forty-three thousand, one hundred fifty-four".

Divisors: 1 2 7 11 13 14 19 22 26 38 77 91 121 133 143 154 182 209 242 247 266 286 418 494 847 1001 1463 1573 1694 1729 2002 2299 2717 2926 3146 3458 4598 5434 11011 16093 19019 22022 29887 32186 38038 59774 81553 163106 209209 418418 570871 897083 1060189 1141742 1549507 1794166 2120378 3099014 6279581 7421323 9867913 10846549 11662079 12559162 14842646 17044577 19735826 20143591 21693098 23324158 34089154 40287182 69075391 81634553 119312039 128282869 138150782 141005137 163269106 187490347 221579501 238624078 256565738 282010274 374980694 443159002 897980083 1312432429 1551056507 1795960166 2437374511 2624864858 3102113014 4874749022 17061621577 34123243154