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155000010 = 23511835659
BaseRepresentation
bin10010011110100…
…01110011001010
3101210122211001010
421033101303022
5304140000020
623214104350
73561323034
oct1117216312
9353584033
10155000010
117a547890
1243aab0b6
132615c9a9
141682ac54
15d91ade0
hex93d1cca

155000010 has 64 divisors (see below), whose sum is σ = 410780160. Its totient is φ = 37116480.

The previous prime is 154999981. The next prime is 155000023. The reversal of 155000010 is 10000551.

155000010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 155000010.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24561 + ... + 30219.

It is an arithmetic number, because the mean of its divisors is an integer number (6418440).

Almost surely, 2155000010 is an apocalyptic number.

155000010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 155000010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205390080).

155000010 is an abundant number, since it is smaller than the sum of its proper divisors (255780150).

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

155000010 is a wasteful number, since it uses less digits than its factorization.

155000010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5763.

The product of its (nonzero) digits is 25, while the sum is 12.

The square root of 155000010 is about 12449.8999995984. The cubic root of 155000010 is about 537.1685470465.

Adding to 155000010 its reverse (10000551), we get a palindrome (165000561).

The spelling of 155000010 in words is "one hundred fifty-five million, ten", and thus it is an aban number.

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 83 110 165 166 249 330 415 498 830 913 1245 1826 2490 2739 4565 5478 5659 9130 11318 13695 16977 27390 28295 33954 56590 62249 84885 124498 169770 186747 311245 373494 469697 622490 933735 939394 1409091 1867470 2348485 2818182 4696970 5166667 7045455 10333334 14090910 15500001 25833335 31000002 51666670 77500005 155000010