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20152102150 = 2521177934217
BaseRepresentation
bin10010110001001010…
…001010110100000110
31221000102201212011201
4102301022022310012
5312232414232100
613131401253114
71312250020255
oct226112126406
957012655151
1020152102150
118601377684
123aa4a9419a
131b920615cb
14d9259a79c
157ce2b336a
hex4b128ad06

20152102150 has 24 divisors (see below), whose sum is σ = 37487187720. Its totient is φ = 8059920960.

The previous prime is 20152102147. The next prime is 20152102153. The reversal of 20152102150 is 5120125102.

It is an interprime number because it is at equal distance from previous prime (20152102147) and next prime (20152102153).

It is a super-2 number, since 2×201521021502 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20152102153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 571842 + ... + 606058.

It is an arithmetic number, because the mean of its divisors is an integer number (1561966155).

Almost surely, 220152102150 is an apocalyptic number.

20152102150 is a deficient number, since it is larger than the sum of its proper divisors (17335085570).

20152102150 is a wasteful number, since it uses less digits than its factorization.

20152102150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46008 (or 46003 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

Adding to 20152102150 its reverse (5120125102), we get a palindrome (25272227252).

The spelling of 20152102150 in words is "twenty billion, one hundred fifty-two million, one hundred two thousand, one hundred fifty".

Divisors: 1 2 5 10 25 50 11779 23558 34217 58895 68434 117790 171085 294475 342170 588950 855425 1710850 403042043 806084086 2015210215 4030420430 10076051075 20152102150