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20124232132 = 2225121200273
BaseRepresentation
bin10010101111011111…
…110110100111000100
31220221111021220200211
4102233133312213010
5312203300412012
613124524045204
71311461102464
oct225737664704
956844256624
1020124232132
118597671504
123a97693804
131b89353c84
14d8c9c3ba4
157cbb0a6a7
hex4af7f69c4

20124232132 has 12 divisors (see below), whose sum is σ = 35218983996. Its totient is φ = 10061665280.

The previous prime is 20124232127. The next prime is 20124232133. The reversal of 20124232132 is 23123242102.

It can be written as a sum of positive squares in 2 ways, for example, as 7051968576 + 13072263556 = 83976^2 + 114334^2 .

It is not an unprimeable number, because it can be changed into a prime (20124232133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348 + ... + 200620.

It is an arithmetic number, because the mean of its divisors is an integer number (2934915333).

Almost surely, 220124232132 is an apocalyptic number.

It is an amenable number.

20124232132 is a deficient number, since it is larger than the sum of its proper divisors (15094751864).

20124232132 is a wasteful number, since it uses less digits than its factorization.

20124232132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225398 (or 225396 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20124232132 its reverse (23123242102), we get a palindrome (43247474234).

The spelling of 20124232132 in words is "twenty billion, one hundred twenty-four million, two hundred thirty-two thousand, one hundred thirty-two".

Divisors: 1 2 4 25121 50242 100484 200273 400546 801092 5031058033 10062116066 20124232132