Search a number
-
+
15234124212 = 22322919973327
BaseRepresentation
bin11100011000000011…
…00100100110110100
31110022200200200201200
432030001210212310
5222144413433322
610555400052500
71046341630206
oct161401444664
943280620650
1015234124212
1165082a1aaa
122b51a64130
13158a1c05a8
14a4736a776
155e265e8ac
hex38c0649b4

15234124212 has 72 divisors (see below), whose sum is σ = 40037088000. Its totient is φ = 4878232128.

The previous prime is 15234124211. The next prime is 15234124223. The reversal of 15234124212 is 21242143251.

15234124212 is a `hidden beast` number, since 1 + 5 + 234 + 1 + 2 + 421 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15234124211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 171093 + ... + 244419.

Almost surely, 215234124212 is an apocalyptic number.

15234124212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15234124212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20018544000).

15234124212 is an abundant number, since it is smaller than the sum of its proper divisors (24802963788).

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

15234124212 is a wasteful number, since it uses less digits than its factorization.

15234124212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73565 (or 73560 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

Adding to 15234124212 its reverse (21242143251), we get a palindrome (36476267463).

The spelling of 15234124212 in words is "fifteen billion, two hundred thirty-four million, one hundred twenty-four thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 29 36 58 87 116 174 199 261 348 398 522 597 796 1044 1194 1791 2388 3582 5771 7164 11542 17313 23084 34626 51939 69252 73327 103878 146654 207756 219981 293308 439962 659943 879924 1319886 2126483 2639772 4252966 6379449 8505932 12758898 14592073 19138347 25517796 29184146 38276694 43776219 58368292 76553388 87552438 131328657 175104876 262657314 423170117 525314628 846340234 1269510351 1692680468 2539020702 3808531053 5078041404 7617062106 15234124212