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151212040232 = 231117891135703
BaseRepresentation
bin1000110011010011110…
…0001010000000101000
3112110022020010112111112
42030310330022000220
54434140240241412
6153244342445452
713632114064151
oct2146474120050
9473266115445
10151212040232
11591462889a0
1225380733888
131134a6cb026
147466736928
153e001e7722
hex2334f0a028

151212040232 has 64 divisors (see below), whose sum is σ = 331171286400. Its totient is φ = 63962736640.

The previous prime is 151212040229. The next prime is 151212040237. The reversal of 151212040232 is 232040212151.

It is a super-2 number, since 2×1512120402322 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 151212040198 and 151212040207.

It is not an unprimeable number, because it can be changed into a prime (151212040237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 434708 + ... + 700995.

It is an arithmetic number, because the mean of its divisors is an integer number (5174551350).

Almost surely, 2151212040232 is an apocalyptic number.

It is an amenable number.

151212040232 is an abundant number, since it is smaller than the sum of its proper divisors (179959246168).

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

151212040232 is a wasteful number, since it uses less digits than its factorization.

151212040232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135826 (or 1135822 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 151212040232 its reverse (232040212151), we get a palindrome (383252252383).

The spelling of 151212040232 in words is "one hundred fifty-one billion, two hundred twelve million, forty thousand, two hundred thirty-two".

Divisors: 1 2 4 8 11 17 22 34 44 68 88 89 136 178 187 356 374 712 748 979 1496 1513 1958 3026 3916 6052 7832 12104 16643 33286 66572 133144 1135703 2271406 4542812 9085624 12492733 19306951 24985466 38613902 49970932 77227804 99941864 101077567 154455608 202155134 212376461 404310268 424752922 808620536 849505844 1111853237 1699011688 1718318639 2223706474 3436637278 4447412948 6873274556 8894825896 13746549112 18901505029 37803010058 75606020116 151212040232